Harrow
May
Weather in Harrow for May 2025
Your guide to Harrow weather in May - trends and predictions
In general, the average temperature in Harrow at the beginning of May is 15.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.6 °C by the end of May.
Harrow sees moderate rainfall in May, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
18°/7°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Harrow in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  13° | 3  13° | 4  17° | |||
| 5 16° | 6  14° | 7 19° | 8 17° | 9 18° | 10 18° | 11 19° |
| 12 17° | 13 19° | 14 18° | 15 16° | 16 16° | 17 17° | 18 18° |
| 19 19° | 20 18° | 21 16° | 22 18° | 23 15° | 24 19° | 25 19° |
| 26  18° | 27 18° | 28 17° | 29 17° | 30 17° | 31 17° |
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Temperatures trend during May in Harrow
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate or heavy rain shower | 17° /8° | 3.3 mm | 4 | |
| 2 May | Overcast | 13° /7° | 5.7 mm | 3 | |
| 3 May | Partly cloudy | 13° /6° | 2.1 mm | 4 | |
| 4 May | Patchy rain possible | 17° /7° | 0.2 mm | 4 | |
| 5 May | Moderate or heavy rain shower | 16° /9° | 2.8 mm | 4 | |
| 6 May | Heavy rain at times | 14° /8° | 4.5 mm | 4 | |
| 7 May | Patchy rain possible | 19° /10° | 0.4 mm | 4 | |
| 8 May | Patchy rain possible | 17° /9° | 1.9 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 18° /10° | 10.7 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 18° /10° | 5.9 mm | 5 | |
| 11 May | Moderate rain at times | 19° /8° | 2.7 mm | 5 | |
| 12 May | Moderate rain at times | 17° /10° | 1.1 mm | 4 | |
| 13 May | Overcast | 19° /10° | 1.1 mm | 4 | |
| 14 May | Patchy rain possible | 18° /9° | 4.2 mm | 4 | |
| 15 May | Patchy rain possible | 16° /9° | 0.6 mm | 4 | |
| 16 May | Overcast | 16° /8° | 3.7 mm | 4 | |
| 17 May | Patchy rain possible | 17° /7° | 0.1 mm | 4 | |
| 18 May | Overcast | 18° /10° | 3.1 mm | 4 | |
| 19 May | Patchy rain possible | 19° /9° | 0.7 mm | 5 | |
| 20 May | Overcast | 18° /7° | 0.1 mm | 4 | |
| 21 May | Overcast | 16° /8° | 1.9 mm | 4 | |
| 22 May | Overcast | 18° /9° | 2.4 mm | 4 | |
| 23 May | Overcast | 15° /8° | 0 mm | 4 | |
| 24 May | Overcast | 19° /7° | 0.1 mm | 4 | |
| 25 May | Overcast | 19° /8° | 0.2 mm | 4 | |
| 26 May | Sunny | 18° /8° | 4.1 mm | 5 | |
| 27 May | Sunny | 18° /7° | 0.6 mm | 5 | |
| 28 May | Overcast | 17° /8° | 3 mm | 4 | |
| 29 May | Partly cloudy | 17° /9° | 0.6 mm | 5 | |
| 30 May | Overcast | 17° /8° | 0.6 mm | 4 | |
| 31 May | Overcast | 17° /9° | 0.2 mm | 4 | |
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Important Notice
Our weather forecast for Harrow in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harrow forecast closer to your planned date for the most up-to-date weather information.
Harrow in May - FAQ
What are the expected maximum and minimum temperatures in Harrow during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrow during May?
Significant rainfall exceeding 118.9 mm is expected in Harrow during May, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Harrow during May?
The average wind speed in Harrow during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Harrow
Explore the daily rainfall trends and prepare for Harrows May weather 💧
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