Hertfordshire
May
Weather in Hertfordshire for May 2025
Your guide to Hertfordshire weather in May - trends and predictions
In general, the average temperature in Hertfordshire at the beginning of May is 14.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.6 °C by the end of May.
The climate of Hertfordshire in May is notably wet, with an average of 15 rainy days.
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16
Dry days
15
Rainy days
0
Snow days
17°/8°
Temperatures
19 km/h
Avg max wind
84 %
Avg humidity
Hertfordshire in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2 15° | 3  10° | 4 16° | |||
| 5 16° | 6 14° | 7 17° | 8 18° | 9 19° | 10  19° | 11 19° |
| 12 20° | 13 19° | 14 16° | 15 18° | 16 14° | 17 18° | 18 17° |
| 19 19° | 20  16° | 21 16° | 22 17° | 23 14° | 24  18° | 25 18° |
| 26 17° | 27 17° | 28 16° | 29 16° | 30 16° | 31 16° |
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Temperatures trend during May in Hertfordshire
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 | Light rain shower | 16° /8° | 2.6 mm | 4 | |
| 2 May | Light rain shower | 15° /8° | 5.3 mm | 4 | |
| 3 May | Light drizzle | 10° /7° | 3.5 mm | 3 | |
| 4 May | Patchy rain possible | 16° /5° | 0.3 mm | 4 | |
| 5 May | Patchy rain possible | 16° /6° | 0.5 mm | 4 | |
| 6 May | Light rain shower | 14° /7° | 3 mm | 3 | |
| 7 May | Patchy rain possible | 17° /8° | 0.5 mm | 4 | |
| 8 May | Patchy rain possible | 18° /6° | 0.1 mm | 4 | |
| 9 May | Light rain shower | 19° /10° | 2.4 mm | 4 | |
| 10 May | Partly cloudy | 19° /10° | 0 mm | 5 | |
| 11 May | Patchy rain possible | 19° /8° | 0.1 mm | 4 | |
| 12 May | Patchy rain possible | 20° /10° | 1.4 mm | 5 | |
| 13 May | Patchy rain possible | 19° /12° | 1.1 mm | 4 | |
| 14 May | Light rain | 16° /11° | 6.5 mm | 4 | |
| 15 May | Patchy rain possible | 18° /10° | 1.1 mm | 4 | |
| 16 May | Light rain shower | 14° /9° | 11.7 mm | 3 | |
| 17 May | Patchy rain possible | 18° /9° | 0.2 mm | 4 | |
| 18 May | Light rain shower | 17° /9° | 4.8 mm | 4 | |
| 19 May | Light rain shower | 19° /8° | 0.5 mm | 4 | |
| 20 May | Overcast | 16° /5° | 0 mm | 4 | |
| 21 May | Overcast | 16° /5° | 0 mm | 4 | |
| 22 May | Overcast | 17° /8° | 2.9 mm | 4 | |
| 23 May | Overcast | 14° /6° | 0.1 mm | 4 | |
| 24 May | Cloudy | 18° /6° | 0.2 mm | 4 | |
| 25 May | Cloudy | 18° /7° | 0.2 mm | 4 | |
| 26 May | Partly cloudy | 17° /7° | 3.8 mm | 5 | |
| 27 May | Partly cloudy | 17° /6° | 0.6 mm | 5 | |
| 28 May | Overcast | 16° /7° | 3.1 mm | 4 | |
| 29 May | Cloudy | 16° /7° | 0.9 mm | 4 | |
| 30 May | Overcast | 16° /7° | 0.6 mm | 4 | |
| 31 May | Overcast | 16° /8° | 0.4 mm | 4 | |
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Important Notice
Our weather forecast for Hertfordshire 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 Hertfordshire forecast closer to your planned date for the most up-to-date weather information.
Hertfordshire in May - FAQ
What are the expected maximum and minimum temperatures in Hertfordshire during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hertfordshire during May?
Moderate rainfall is anticipated in Hertfordshire during May, with a total of 51.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hertfordshire during May?
The average wind speed in Hertfordshire during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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