Ashburn Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Ashburn Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	0.925	-3.2		7.606249999999999	0.6
	-1.13125	-4.1		6.762499999999999	2.3
	-1.8	-3.1		4.9125	3.2
	-2.6375	-1.6		5.318750000000001	5.4
	-2.9125000000000005	-3.5		4.0249999999999995	3.5
	-3.575	1.6		4.23125	4.2
	-5.625000000000001	5.3		1.94375	12.8
	-5.231249999999999	-1.6		2.21875	8.9
	-3.6125000000000003	2.1		4.2875000000000005	8.2
	-3.2187500000000004	5.4		5.20625	10.5
	-1.84375	-0.6		6.56875	6
	0.6937499999999998	-1.6		8.818750000000001	6.4
	-1.6062500000000002	-0.2		7.487500000000001	8.5
	-2.44375	3.2		4.66875	6.1
Jan.	-2.6500000000000004	-4.1		4.9125000000000005	3.9
	-3.0500000000000003	-5.2		5.23125	1.4
	-1.8624999999999998	-0.2		4.75625	5.8
	-2.2937499999999997	-2		5.0875	3
	-2.14375	-7.8		6.337499999999999	6.7
	-3.7437500000000004	-9.2		4.44375	-0.7
	-4.78125	-8.1		2.0375	3.8
	-5.33125	0.9		1.5062499999999996	8.1
	-4.049999999999999	-4.5		3.6750000000000007	4.3
	-3.3812499999999996	-12.7		4.624999999999999	-8.2
	-1.9250000000000003	-9.1		6.393750000000001	-3.1
	-1.4625	-8.6		5.95	-2.3
	-2.406250000000001	-12.6		6.281250000000001	-2.7
	-2.78125	-12.2		4.65625	-6.4
	-3.2812500000000004	-12		4.09375	-5.5
	-4.50625	-14.7		3.94375	-7.2
	-4.2	-13		5.51875	-6.9
	-2.4250000000000003	-11.4		5.95	-4.8
	-3.15625	-11.1		6.175	-0.3
	-2.1750000000000003	-6.1		6.5	0.9
	-2.0124999999999997	-4.9		7.125	-0.8
	-1.7187499999999996	-5.9		6.218750000000001	0.1
	-1.9125000000000005	-7.4		7.0375	0.9
	-1.4062499999999998	-11.9		7.868750000000001	-2.3
	-1.7999999999999998	-13.9		6.699999999999999	-2.3
	-2.9625	-12.5		6.687499999999999	-0.9
	-1.525	-3.8		5.65625	4.6
	-0.9437500000000001	-0.9		6.9125	5.2
	-1.5312500000000009	-2.8		4.9875	2.5
	-2.9062499999999996	-4.7		5.03125	5
	-3.2625	-0.8		6.44375	12.8
Feb.	-2.0312499999999996	0.9		6.8125	4.8
	-1.6875000000000009	0.7		7.1812499999999995	6.5
	-2.6437499999999994	2.3		6.368749999999999	3.5
	-2.4437499999999996	2.6		8.2625	9.1
	-1.8812499999999999	3		6.5687500000000005	6.2
	-1.7625000000000002	3.6		6.737500000000001	6.6
	-1.5499999999999998	-2.3		9.456249999999999	6.1
	0.58125	0		9.225	3.5
	1.40625	-2		11.075	2.9
	0.6874999999999999	-6.8		11.18125	2.5
	0.35	0.4		9.06875	11.9
	-0.25624999999999987	1.6		8.2125	8.1
	-0.0437500000000004	-2.1		9.95	4.9
	0.2625000000000002	2.6		10.1875	7.4
	0.4749999999999999	1.4		9.975	7.7
	0.1562499999999999	-3.1		9.89375	2.2
	-1.3124999999999998	-0.9		7.45	5.7
	-0.7625000000000001	6.1		8.1625	9.1
	-0.6874999999999998	7.9		9.462500000000002	14.8
	-0.9125000000000003	7.3		8.21875	13.7
	-0.10625000000000007	4.8		10.10625	13.2
	0.575	12.5		11.2125	20.1
	1.7187499999999998	6.1		13.23125	21.2
	2.2875	9.3		13.95625	26.2
	3.906250000000001	18.1		14.34375	26.2
	2.2687500000000003	2.9		12.037499999999996	21.6
	1.3312499999999998	-0.1		11.218749999999998	10.5
	2.66875	5.1		12.631249999999998	13.5
Mar.	2.9187499999999993	4		13.4	11.4
	3.83125	4.1		13.893749999999997	22.7
	3.1062499999999997	-2.5		13.075000000000001	3.4
	3.6000000000000005	-2.8		14.568750000000001	3.8
	3.0937500000000004	0.3		13.1625	10.4
	2.5999999999999996	1.2		12.931249999999999	17.7
	3.4874999999999994	6.6		14.0375	14.1
	3.3749999999999996	8.5		13.15625	26.1
	2.2562499999999996	7.4		12.5125	16.6
	3.9374999999999996	-1.2		13.756250000000001	9.5
	4.39375	3.8		14.0125	14
	3.4875	8.8		12.837499999999999	19.2
	1.4000000000000001	8.4		12.28125	18.3
	3.4625000000000004	-0.5		13.193750000000001	9
	4.9875	2.4		15.400000000000002	16.5
	4.8374999999999995	9.1		15.30625	16.8
	5.4875	13.1		16.06875	26.2
	5.00625	17.4		15.625000000000002	31.9
	4.5562499999999995	9.4		14.606250000000001	16.3
	5.38125	8.2		16.493750000000002	30.2
	5.981249999999999	17		18.237500000000004	33.4
	6.8500000000000005	8.2		18.125	21.7
	6.41875	4.7		17.84375	17.1
	6.462500000000001	3.9		15.86875	15.3
	6.043750000000001	-1		16.15625	15
	6.0125	2.5		16.193749999999998	19.8
	6.4312499999999995	5.2		18.1625	28.1
	7.9624999999999995	11.9		19.493750000000002	23.6
	8.681249999999999	7.5		19.6125	26.2
	9.131250000000001	14.2		20.2625	31.8
	9.80625	14.6		20.8125	33.6
Apr.	7.637500000000001	17.2		19.743750000000006	35.6
	8.59375	18.5		19.781250000000004	35.7
	7.90625	18.2		17.837500000000002	28.4
	7.5125	12.5		19.41875	32.4
	8.775	7		19.05625	15.8
	8.475	4.1		20.91875	12.3
	8.374999999999998	-0.9		19.0375	19.8
	7.831249999999999	9.4		18.825000000000003	27.4
	7.131249999999998	12.1		17.975	30.4
	8.274999999999999	14.3		18.29375	30.7
	9.149999999999999	11		19.38125	20.7
	8.649999999999999	6.9		20.21875	13.4
	9.031250000000002	4.4		20.437499999999996	22
	8.65	8.1		19.35	19.2
	9.0625	10.8		19.475	17.9
	10.056250000000002	8.5		21.8875	22.1
	10.9875	4.6		21.424999999999997	22.7
	12.2375	7.5		23.73125	16.5
	12.762500000000001	2.8		24.331250000000004	19.7
	12.8625	6.2		23.13125	27.2
	11.318749999999998	14.1		20.7125	31.3
	10.781249999999998	15		19.574999999999996	23.6
	10.85	11.4		20.068749999999998	19.9
	11.15625	6.2		21.287499999999998	24.6
	10.6125	11.2		21.324999999999996	24.3
	10.60625	10.4		22.26875	30.7
	10.975	10.1		20.924999999999997	21.2
	10.8625	5.2		21.949999999999996	24.6
	11.1875	12.7		19.625	26.6
	11.137500000000001	10.2		22.650000000000002	16.4
May	12.69375	7.4		24.543750000000003	24.7
	13.7375	8.9		24.31875	32
	13.624999999999998	16		24.10625	33.5
	13.03125	17.6		22.49375	38.2
	13.06875	21.3		23.368750000000002	39.1
	13.437499999999998	19		25.2875	33.3
	13.49375	12.3		24.325	18.1
	14.34375	12		24.706250000000004	14.9
	14.518750000000002	9.5		23.9875	12.5
	13.900000000000002	11.1		24.081249999999997	17.7
	13.8375	15.8		25.118750000000002	25.7
	15.543750000000001	16.9		27.812499999999996	23.9
	16.512500000000003	19.6		27.468749999999996	27.6
	16.2	13.2		25.937499999999996	26.6
	16.943749999999998	12.4		27.18125	28.3
	17.075	14.7		27.200000000000006	24.6
	16.737500000000004	9.9		28.38125	27.3
	15.99375	12.5		28.162499999999994	29.1
	15.69375	11.1		27.299999999999997	24.3
	15.149999999999999	10.9		26.043749999999996	30.3
	15.4375	12.3		27.687500000000004	33.5
	16.64375	15.2		27.6125	34.9
	16.63125	17.7		27.487499999999997	35.7
	16.75625	19.7		26.450000000000003	34.9
	16.33125	17.1		27.518749999999997	29.5
	16.375000000000004	14.3		27.09375	32.4
	17.025	21		28.625000000000004	31.7
	17.2	22.2		28.35625	38.6
	18.168750000000003	21		29.09375	38.6
	18.387500000000003	19.1		28.96249999999999	34.4
	17.5875	17.9		27.7125	36
Jun.	16.73125	17.1		28.03125	26.6
	17.03125	12.4		27.66875	28.8
	18.150000000000002	16.4		29.168750000000003	31.5
	18.118750000000002	21.1		29.75	35.2
	18.64375	19		29.256249999999994	30.3
	18.368750000000002	15.6		29.8625	32.8
	18.718749999999996	18.1		30.106250000000003	33.4
	19.181250000000002	18.3		30.193749999999998	36.4
	19.912500000000005	19.4		30.51875	24.7
	19.78125	13.9		31.09375	30
	19.343749999999996	15.4		30.706250000000004	33.1
	18.925	19.3		30.724999999999998	34.5
	19.10625	21.6		29.275	29.2
	18.962500000000002	21.4		30.474999999999998	25.1
	19.118750000000002	20.1		31.575	32.3
	19.881249999999998	19.5		32.599999999999994	35.6
	20.456249999999997	21.3		31.662500000000005	40.4
	19.768749999999997	24.7		30.925	40.8
	19.575000000000003	24.7		31.250000000000004	41.7
	19.80625	25.1		31.10625	41.4
	20.493750000000002	21.6		31.806250000000002	38.1
	21.45	22		32.6875	32.4
	21.668750000000003	22.1		32.793749999999996	29.4
	21.612499999999997	21.7		31.893749999999997	30
	21.162500000000005	22.6		31.48125	32.1
	20.69375	20.7		30.893750000000008	32.5
	20.50625	19.8		31.612500000000004	33
	20.5125	21.8		32.01875	28.9
	20.712499999999995	17.9		31.068749999999998	32
	21.174999999999997	17.9		31.95625	35.2
Jul.	20.743750000000002	21.1		32.36875	38.2
	21.150000000000002	23.8		32.643750000000004	39.5
	21.481250000000003	21.1		33.074999999999996	35.8
	21.087500000000002	22.6		33.3	37
	22.131249999999998	21.4		33.112500000000004	32.5
	22.287499999999998	17.7		33.53125	32.3
	22.125	22.6		31.731250000000003	36
	20.76875	20.3		31.368749999999995	32.6
	21.175	17		31.15	27.9
	20.937499999999996	14.3		31.587500000000002	27.8
	21	18.8		31.6375	28.6
	20.84375	17.2		31.843749999999993	30.9
	21.200000000000003	20.2		32.46875000000001	33.2
	21.46875	21.3		32.675	33.5
	21.15625	19.2		31.587500000000002	31.2
	20.55	17		31.643749999999997	31.6
	19.88125	19.1		30.974999999999998	33.1
	20.162499999999998	18.6		29.7	33
	19.674999999999997	22.2		30.581249999999997	32.6
	20.25	22.4		30.33125	32.5
	20.3	19.9		31.400000000000002	31.7
	20.006249999999998	22.9		30.19375	32.1
	20.3125	23.3		30.981249999999996	33.7
	20.8125	20.8		30.000000000000004	35.6
	20.43125	21.3		30.575000000000006	34.3
	20.674999999999997	22		31.150000000000002	36.8
	20.5625	21.3		30.706249999999997	37.2
	20.743750000000002	19.6		31.2875	33.6
	20.4875	20.5		31.249999999999993	32.8
	20.4875	21.5		30.125	34.7
	19.6125	22		29.256249999999998	30.1
Aug.	19.756249999999998		20.7	28.824999999999996		32.9
	19.56875		21.3	29.94375		28
	20.08125		22.5	30.96875		29.9
	20.249999999999996		18.4	29.368750000000002		29.5
	19.44375		18.5	29.731249999999996		32.7
	19.7		22.9	29.96875		31.6
	19.506249999999998		21	29.5625		29
	19.46875		22.2	29.143750000000004		32.9
	18.03125		17.9	27.906249999999996		28.5
	17.94375		18.2	28.950000000000003		29
	18.674999999999997		18.7	29.9375		30
	18.481250000000003		18.6	29.89375		29.9
	18.9		19.1	29.587500000000002		30.2
	19.575		19.6	29.918750000000003		29.9
	19.4375		19.1	30.39375		29.2
	19.20625		18.5	30.487499999999997		30.1
	19.28125		19.1	29.875000000000007		29.6
	18.70625		18.4	29.362499999999994		28.5
	19.193749999999998		18.4	29.268749999999997		28.5
	18.90625		18.3	29.468750000000004		29.3
	19.112499999999997		18.7	30.1625		29.9
	19.3125		18.5	28.93125		29.1
	18.18125		18.2	28.531250000000004		28.7
	17.5875		17.5	27.856250000000003		27.4
	17.50625		17	28.049999999999997		27.8
	16.65625		16.7	26.806250000000006		26.5
	16.60625		16.6	26.624999999999996		26.3
	17.400000000000002		17	28.36875		27.2
	17.34375		16.7	27.743750000000002		27.1
	16.912499999999998		16.7	26.3875		26.8
	16.13125		16.2	27.318749999999998		27.3
Sep.	16.043750000000003			27.731249999999996
	15.14375			25.712500000000002
	14.881250000000001			23.918749999999996
	15.337499999999999			25.518749999999997
	15.81875			26.606249999999996
	15.525			25.64375
	15.181250000000002			25.799999999999997
	15.712499999999999			25.381249999999998
	14.906249999999998			24.88125
	14.71875			25.19375
	15.656249999999996			24.75
	15.518749999999999			24.199999999999996
	15.29375			24.225000000000005
	15.156249999999998			24.706250000000004
	15.49375			24.062499999999996
	14.681249999999999			22.512500000000003
	13.256250000000001			21.64375
	12.831250000000002			21.8625
	13.387500000000001			21.9125
	12.793750000000001			23.0125
	12.524999999999999			22.568749999999998
	13.6			23.250000000000007
	13.0875			23.924999999999994
	12.9625			21.412499999999998
	11.918749999999998			21.362499999999997
	11.174999999999999			20.862500000000004
	11.68125			21.256249999999998
	11.406250000000002			20.09375
	11.3875			19.58125
	11.024999999999999			20.068749999999998
Oct.	10.50625			21.19375
	9.50625			19.093750000000004
	8.387500000000001			18.31875
	7.406249999999999			18.2
	7.84375			19.025
	9.34375			19.675
	8.66875			20.374999999999996
	9.062500000000002			19.0625
	8.693749999999998			19.037499999999998
	8.85625			19.7125
	9.193750000000001			19.55
	8.400000000000002			17.2125
	8.868749999999999			18.21875
	8.75625			18.00625
	8.33125			15.743750000000002
	7.1499999999999995			16.15625
	7.09375			16.35625
	6.8875			15.8625
	6.34375			15.2875
	5.0062500000000005			15.5125
	5.175000000000001			15.381250000000001
	6.725			15.49375
	7.081250000000001			17.2125
	6.6125			16.412499999999998
	5.262499999999999			14.406249999999998
	4.73125			15.100000000000001
	4.5249999999999995			13.44375
	4.518750000000001			14.44375
	4.7			14.843750000000002
	3.00625			11.731250000000003
	2.2312499999999997			11.293750000000001
Nov.	2.41875			11.331249999999997
	3.7000000000000006			12.537500000000001
	3.7374999999999994			11.799999999999999
	2.68125			11.75625
	2.4499999999999997			11.243749999999999
	2.375			11.268749999999999
	2.44375			10.8625
	2.85625			11.08125
	1.3875000000000002			10.149999999999999
	1.8499999999999999			10.399999999999999
	2.1687499999999997			11.787500000000001
	1.9562499999999998			10.98125
	2.61875			11.256249999999998
	1.88125			9.50625
	1.1937499999999999			8.937499999999998
	1.5125000000000002			9.618749999999999
	2.2875			10.075000000000001
	2.1562499999999996			10.187500000000002
	1.8062500000000001			10.0625
	0.8125000000000001			9.0625
	1.9875000000000003			9.537499999999998
	2.18125			9.575
	-0.275			6.5625
	-0.8500000000000001			5.893750000000001
	-0.3125			7.331250000000001
	0.16250000000000003			7.375
	0.48750000000000004			8.00625
	-0.6			7.331250000000001
	-0.6937500000000001			7.26875
	0.04375000000000001			7.356249999999999
Dec.	0.35625			7.606249999999999
	-0.34375			6.450000000000001
	0.4437499999999999			7.35625
	-0.19999999999999987			7.5375
	-1.3812499999999999			7.2250000000000005
	-1.08125			6.881249999999999
	0.1125000000000001			7.8999999999999995
	1.4			9.225000000000001
	0.2374999999999999			8.99375
	0.006250000000000165			7.25625
	0.5062499999999999			7.90625
	-0.24374999999999997			7.59375
	-0.1687499999999999			6.575
	0.9937499999999999			8.775
	1.14375			8.0125
	1.01875			8.312499999999998
	1.3666666666666665			7.699999999999999

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

42°C

Highest Temp

3 Jul. 26

-15°C

Lowest Temp

30 Jan. 26

Seasonal Breakdown

Hottest MonthJuly33.86°C

Coldest MonthJanuary-4.42°C

Wettest MonthJanuary7.06mm

Windiest MonthMarch21.26km/h

Ashburn Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Ashburn historically?

July is historically Ashburn's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 42°C on 2026-07-03.

2. What is the coldest month in Ashburn historically?

January is Ashburn's coldest month, with average minimum temperatures around -3°C. The all-time record low of -18°C was recorded on 2015-02-20.

3. What is the average annual rainfall in Ashburn over the past 17 years?

Ashburn's average annual rainfall is approximately 1305.8mm, based on records spanning 17 years.

4. How many rainy days does Ashburn experience on average per year?

Ashburn historically records approximately 173.05 rainy days per year. July has the highest number of rain days at an average of 18.2 days.

5. What is the all-time highest temperature ever recorded in Ashburn?

The all-time highest temperature recorded in Ashburn is 42°C on 2026-07-03.

6. What is the all-time lowest temperature ever recorded in Ashburn?

The all-time lowest temperature recorded in Ashburn is -18°C on 2015-02-20.

7. What is the windiest time of year in Ashburn historically?

Ashburn experiences its strongest winds during March. The historic gust record of 47 kph was recorded on 2012-10-29.

8. What is the highest and lowest humidity in Ashburn during a year?

Usually, Ashburn's humidity peaks in February at around 74.8% and drops to its lowest in July at approximately 69.4%.

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Yearly Summary 2026

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Ashburn Historic Weather Records
Analyse hottest, coldest, windiest & wettest days