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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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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/7°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Harrow in May average weather

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
17°
2
Overcast
13°
3
Partly cloudy
13°
4
Patchy rain possible
17°
5
Moderate or heavy rain shower
16°
6
Heavy rain at times
14°
7
Patchy rain possible
19°
8
Patchy rain possible
17°
9
Moderate or heavy rain shower
18°
10
Moderate or heavy rain shower
18°
11
Moderate rain at times
19°
12
Moderate rain at times
17°
13
Overcast
19°
14
Patchy rain possible
18°
15
Patchy rain possible
16°
16
Overcast
16°
17
Patchy rain possible
17°
18
Overcast
18°
19
Patchy rain possible
19°
20
Overcast
18°
21
Overcast
16°
22
Overcast
18°
23
Overcast
15°
24
Overcast
19°
25
Overcast
19°
26
Sunny
18°
27
Sunny
18°
28
Overcast
17°
29
Partly cloudy
17°
30
Overcast
17°
31
Overcast
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

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /8° 3.3 mm 4
2 May Overcast
Overcast
 13° /7° 5.7 mm 3
3 May Partly cloudy
Partly cloudy
 13° /6° 2.1 mm 4
4 May Patchy rain possible
Patchy rain possible
 17° /7° 0.2 mm 4
5 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /9° 2.8 mm 4
6 May Heavy rain at times
Heavy rain at times
 14° /8° 4.5 mm 4
7 May Patchy rain possible
Patchy rain possible
 19° /10° 0.4 mm 4
8 May Patchy rain possible
Patchy rain possible
 17° /9° 1.9 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /10° 10.7 mm 4
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /10° 5.9 mm 5
11 May Moderate rain at times
Moderate rain at times
 19° /8° 2.7 mm 5
12 May Moderate rain at times
Moderate rain at times
 17° /10° 1.1 mm 4
13 May Overcast
Overcast
 19° /10° 1.1 mm 4
14 May Patchy rain possible
Patchy rain possible
 18° /9° 4.2 mm 4
15 May Patchy rain possible
Patchy rain possible
 16° /9° 0.6 mm 4
16 May Overcast
Overcast
 16° /8° 3.7 mm 4
17 May Patchy rain possible
Patchy rain possible
 17° /7° 0.1 mm 4
18 May Overcast
Overcast
 18° /10° 3.1 mm 4
19 May Patchy rain possible
Patchy rain possible
 19° /9° 0.7 mm 5
20 May Overcast
Overcast
 18° /7° 0.1 mm 4
21 May Overcast
Overcast
 16° /8° 1.9 mm 4
22 May Overcast
Overcast
 18° /9° 2.4 mm 4
23 May Overcast
Overcast
 15° /8° 0 mm 4
24 May Overcast
Overcast
 19° /7° 0.1 mm 4
25 May Overcast
Overcast
 19° /8° 0.2 mm 4
26 May Sunny
Sunny
 18° /8° 4.1 mm 5
27 May Sunny
Sunny
 18° /7° 0.6 mm 5
28 May Overcast
Overcast
 17° /8° 3 mm 4
29 May Partly cloudy
Partly cloudy
 17° /9° 0.6 mm 5
30 May Overcast
Overcast
 17° /8° 0.6 mm 4
31 May Overcast
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.

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Location coordinates Where is Harrow?

Get accurate weather forecasts for Harrow, located at latitude 51.578 and longitude -0.332. Stay updated with localized weather information tailored for Harrow.

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