Uusimaa (Helsinki)
May
Weather in Uusimaa for May 2025
Your guide to Uusimaa weather in May - trends and predictions
In general, the average temperature in Uusimaa at the beginning of May is 8.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.1 °C by the end of May.
With an average of 4 rainy days, Uusimaa experiences minimal rainfall in May.
Is May a good time to visit Uusimaa? check out the best time to travel to Uusimaa page.
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27
Dry days
4
Rainy days
0
Snow days
15°/5°
Temperatures
18 km/h
Avg max wind
62 %
Avg humidity
Uusimaa in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2  8° | 3 9° | 4 10° | |||
| 5 7° | 6 7° | 7  9° | 8  9° | 9 10° | 10  13° | 11  14° |
| 12 15° | 13 15° | 14 17° | 15 17° | 16 15° | 17 17° | 18 14° |
| 19 16° | 20 17° | 21 17° | 22 16° | 23 17° | 24 20° | 25  19° |
| 26 16° | 27 19° | 28 18° | 29 18° | 30 18° | 31 19° |
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Temperatures trend during May in Uusimaa
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 | Patchy rain possible | 10° /2° | 0.5 mm | 3 | |
| 2 May | Moderate or heavy rain shower | 8° /3° | 9.8 mm | 3 | |
| 3 May | Moderate rain at times | 9° /2° | 0.6 mm | 2 | |
| 4 May | Patchy rain possible | 10° /3° | 0.7 mm | 3 | |
| 5 May | Patchy rain possible | 7° /1° | 0.4 mm | 3 | |
| 6 May | Patchy rain possible | 7° /1° | 0.4 mm | 3 | |
| 7 May | Cloudy | 9° /0° | 0 mm | 3 | |
| 8 May | Partly cloudy | 9° /0° | 0 mm | 4 | |
| 9 May | Partly cloudy | 10° /1° | 0.4 mm | 4 | |
| 10 May | Overcast | 13° /4° | 1.5 mm | 3 | |
| 11 May | Sunny | 14° /4° | 0 mm | 5 | |
| 12 May | Sunny | 15° /4° | 0 mm | 4 | |
| 13 May | Sunny | 15° /6° | 0 mm | 4 | |
| 14 May | Sunny | 17° /9° | 0 mm | 5 | |
| 15 May | Sunny | 17° /8° | 0 mm | 5 | |
| 16 May | Moderate or heavy rain shower | 15° /9° | 4 mm | 4 | |
| 17 May | Overcast | 17° /8° | 0.2 mm | 5 | |
| 18 May | Cloudy | 14° /7° | 0 mm | 4 | |
| 19 May | Sunny | 16° /6° | 0 mm | 5 | |
| 20 May | Sunny | 17° /8° | 0 mm | 5 | |
| 21 May | Cloudy | 17° /7° | 0 mm | 5 | |
| 22 May | Overcast | 16° /8° | 0.1 mm | 5 | |
| 23 May | Patchy rain possible | 17° /9° | 0.3 mm | 5 | |
| 24 May | Sunny | 20° /9° | 0 mm | 6 | |
| 25 May | Heavy rain at times | 19° /11° | 4.5 mm | 5 | |
| 26 May | Moderate rain at times | 16° /9° | 1.1 mm | 4 | |
| 27 May | Patchy rain possible | 19° /7° | 0.1 mm | 5 | |
| 28 May | Overcast | 18° /9° | 0.1 mm | 5 | |
| 29 May | Partly cloudy | 18° /9° | 0.8 mm | 5 | |
| 30 May | Heavy rain at times | 18° /9° | 1.7 mm | 4 | |
| 31 May | Moderate rain at times | 19° /8° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Uusimaa 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 Uusimaa forecast closer to your planned date for the most up-to-date weather information.
Uusimaa in May - FAQ
What are the expected maximum and minimum temperatures in Uusimaa during May?
During May, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Uusimaa during May?
In May, Uusimaa can expect light to moderate rainfall, totaling 45.3 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Uusimaa during May?
The average wind speed in Uusimaa during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Uusimaa in May?
As you prepare for your trip to Uusimaa in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Uusimaa, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
May rainfall patterns in Uusimaa
Explore the daily rainfall trends and prepare for Uusimaas May weather 💧
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