Cromwell Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Cromwell Weather Trend Graph


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

Yearly Summary 2026


25°C
Highest Temp
12 Feb. 26

-7°C
Lowest Temp
5 Aug. 26


Seasonal Breakdown

Hottest MonthFebruary18.34°C

Coldest MonthAugust-3.14°C

Wettest MonthJanuary5.17mm

Windiest MonthApril13.64km/h

Frequently Asked Questions


1. What is the hottest month in Cromwell historically?

February is historically Cromwell's hottest month, with average maximum temperatures around 20°C. During peak heatwave events, the highest recorded temperatures have reached 30°C on 2018-01-29.

2. What is the coldest month in Cromwell historically?

July is Cromwell's coldest month, with average minimum temperatures around 0°C. The all-time record low of -11°C was recorded on 2025-09-08.

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

Cromwell's average annual rainfall is approximately 1481.3mm, based on records spanning 17 years.

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

Cromwell historically records approximately 209.9 rainy days per year. September has the highest number of rain days at an average of 18.9 days.

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

The all-time highest temperature recorded in Cromwell is 30°C on 2018-01-29.

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

The all-time lowest temperature recorded in Cromwell is -11°C on 2025-09-08.

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

Cromwell experiences its strongest winds during January. The historic gust record of 45 kph was recorded on 2025-10-23.

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

Usually, Cromwell's humidity peaks in July at around 89.2% and drops to its lowest in January at approximately 73.3%.