Capital Region (Reykjavík)
May
Weather in Capital Region for May 2025
Your guide to Capital Region weather in May - trends and predictions
In general, the average temperature in Capital Region at the beginning of May is 7.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9 °C by the end of May.
Capital Region experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
Is May a good time to visit Capital Region? check out the best time to travel to Capital Region page.
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5
Dry days
26
Rainy days
0
Snow days
8°/4°
Temperatures
29 km/h
Avg max wind
79 %
Avg humidity
Capital Region in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  5° | 2  6° | 3 8° | 4 7° | |||
| 5 8° | 6 9° | 7 8° | 8  8° | 9 9° | 10 9° | 11 10° |
| 12 8° | 13  7° | 14 6° | 15 6° | 16 7° | 17 8° | 18 8° |
| 19 8° | 20 6° | 21 7° | 22 7° | 23 7° | 24 9° | 25 10° |
| 26 9° | 27 10° | 28 10° | 29 8° | 30 8° | 31 8° |
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Temperatures trend during May in Capital Region
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May | Overcast | 5° /1° | 0.1 mm | 0 cm | |
| 2 May | Patchy rain possible | 6° /2° | 2.5 mm | 0 cm | |
| 3 May | Patchy rain possible | 8° /4° | 2.2 mm | 0 cm | |
| 4 May | Patchy rain possible | 7° /3° | 3.2 mm | 0 cm | |
| 5 May | Patchy rain possible | 8° /4° | 6 mm | 0 cm | |
| 6 May | Overcast | 9° /4° | 3.9 mm | 0 cm | |
| 7 May | Patchy rain possible | 8° /6° | 5.6 mm | 0 cm | |
| 8 May | Moderate rain at times | 8° /5° | 3.6 mm | 0.1 cm | |
| 9 May | Moderate rain at times | 9° /5° | 2.6 mm | 0 cm | |
| 10 May | Patchy rain possible | 9° /6° | 2.2 mm | 0 cm | |
| 11 May | Moderate rain at times | 10° /6° | 4.5 mm | 0 cm | |
| 12 May | Moderate or heavy rain shower | 8° /5° | 11.9 mm | 0 cm | |
| 13 May | Heavy rain at times | 7° /4° | 7.6 mm | 0 cm | |
| 14 May | Moderate or heavy rain shower | 6° /2° | 6 mm | 0 cm | |
| 15 May | Moderate rain at times | 6° /2° | 6.3 mm | 0 cm | |
| 16 May | Patchy rain possible | 7° /1° | 3.3 mm | 0 cm | |
| 17 May | Patchy rain possible | 8° /4° | 1.3 mm | 0 cm | |
| 18 May | Moderate rain at times | 8° /5° | 2.6 mm | 0 cm | |
| 19 May | Moderate or heavy rain shower | 8° /4° | 6.6 mm | 0 cm | |
| 20 May | Patchy rain possible | 6° /5° | 2.3 mm | 0 cm | |
| 21 May | Moderate or heavy rain shower | 7° /4° | 5.3 mm | 0 cm | |
| 22 May | Patchy rain possible | 7° /4° | 4 mm | 0 cm | |
| 23 May | Heavy rain at times | 7° /4° | 9.8 mm | 0.1 cm | |
| 24 May | Patchy rain possible | 9° /6° | 12.2 mm | 0 cm | |
| 25 May | Moderate rain at times | 10° /6° | 2.3 mm | 0 cm | |
| 26 May | Moderate or heavy rain shower | 9° /6° | 11.7 mm | 0 cm | |
| 27 May | Overcast | 10° /5° | 0.7 mm | 0 cm | |
| 28 May | Heavy rain at times | 10° /6° | 10.2 mm | 0 cm | |
| 29 May | Patchy rain possible | 8° /6° | 3.8 mm | 0 cm | |
| 30 May | Patchy rain possible | 8° /6° | 6.2 mm | 0 cm | |
| 31 May | Overcast | 8° /6° | 6.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Capital Region 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 Capital Region forecast closer to your planned date for the most up-to-date weather information.
Capital Region in May - FAQ
What are the expected maximum and minimum temperatures in Capital Region during May?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Capital Region during May?
Significant rainfall exceeding 286.5 mm is expected in Capital Region during May, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Capital Region during May?
Capital Region experiences an average snowfall of 0.4 cm during May, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Capital Region during May?
The average wind speed in Capital Region during May is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Capital Region in May?
As you prepare for your trip to Capital Region 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 Capital Region, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Capital Region
Explore the daily rainfall trends and prepare for Capital Regions May weather 💧
May snowfall in Capital Region
Track daily snowfall levels and discover Capital Region’s snowy potential this May ❄️
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