Grangemouth Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Grangemouth Weather Trend Graph


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

Yearly Summary 2026


26°C
Highest Temp
13 Aug. 26

-5°C
Lowest Temp
5 Jan. 26


Seasonal Breakdown

Hottest MonthJuly19.98°C

Coldest MonthJanuary0.52°C

Wettest MonthJune4.34mm

Windiest MonthMarch24.62km/h

Frequently Asked Questions


1. What is the hottest month in Grangemouth historically?

July is historically Grangemouth's hottest month, with average maximum temperatures around 18°C. During peak heatwave events, the highest recorded temperatures have reached 30°C on 2022-07-19.

2. What is the coldest month in Grangemouth historically?

January is Grangemouth's coldest month, with average minimum temperatures around 1°C. The all-time record low of -13°C was recorded on 2010-12-07.

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

Grangemouth's average annual rainfall is approximately 1066.07mm, based on records spanning 17 years.

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

Grangemouth historically records approximately 250.2 rainy days per year. December has the highest number of rain days at an average of 22.6 days.

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

The all-time highest temperature recorded in Grangemouth is 30°C on 2022-07-19.

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

The all-time lowest temperature recorded in Grangemouth is -13°C on 2010-12-07.

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

Grangemouth experiences its strongest winds during February. The historic gust record of 60.8 kph was recorded on 2012-01-03.

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

Usually, Grangemouth's humidity peaks in December at around 88.4% and drops to its lowest in April at approximately 79.8%.