Sunnyside Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Sunnyside Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


40°C
Highest Temp
22 Jul. 26

-8°C
Lowest Temp
24 Jan. 26


Seasonal Breakdown

Hottest MonthJuly34.42°C

Coldest MonthJanuary-2.01°C

Wettest MonthApril0.85mm

Windiest MonthMarch22.35km/h

Frequently Asked Questions


1. What is the hottest month in Sunnyside historically?

July is historically Sunnyside's hottest month, with average maximum temperatures around 33°C. During peak heatwave events, the highest recorded temperatures have reached 46°C on 2021-06-29.

2. What is the coldest month in Sunnyside historically?

January is Sunnyside's coldest month, with average minimum temperatures around -2°C. The all-time record low of -20°C was recorded on 2017-01-13.

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

Sunnyside's average annual rainfall is approximately 241.6mm, based on records spanning 17 years.

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

Sunnyside historically records approximately 105.3 rainy days per year. December has the highest number of rain days at an average of 15 days.

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

The all-time highest temperature recorded in Sunnyside is 46°C on 2021-06-29.

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

The all-time lowest temperature recorded in Sunnyside is -20°C on 2017-01-13.

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

Sunnyside experiences its strongest winds during June. The historic gust record of 51.1 kph was recorded on 2026-05-28.

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

Usually, Sunnyside's humidity peaks in January at around 82.7% and drops to its lowest in July at approximately 36.5%.