Keflavík
May
Weather in Keflavík for May 2026
Your guide to Keflavík weather in May - trends and predictions
Snowfall in Keflavík during May is quite rare, with fewer than 2 snowy days on average.
According to Keflavík snow forecast for May 2026, 1 snowy day is expected in the next 2 weeks at Tuesday, 5 May.The forecast for the next days in Keflavík predicts temperatures to be around 6 °C, close to the historical average.
In general, the average temperature in Keflavík at the beginning of May is 5.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.9 °C by the end of May.
Keflavík in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 88.6 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
11
Dry days
19
Rainy days
1
Snow days
8°/6°
Temperatures
35 km/h
Avg max wind
77 %
Avg humidity
Keflavík Weather May
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Temperatures trend during May in Keflavík
See the weather trend as well as the moving average line
May weather in Keflavík day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 6° /3° | 0.3 mm | 0 cm | |
| 2 May | Patchy rain possible | 7° /4° | 1.2 mm | 0 cm | |
| 3 May | Light rain shower | 7° /4° | 0.6 mm | 0 cm | |
| 4 May |  Sunny | 4° /1° | 0 mm | 0 cm | |
| 5 May |  Partly cloudy | 3° /1° | 0 mm | 0 cm | |
| 6 May | Sunny | 4° /1° | 0 mm | 0 cm | |
| 7 May | Sunny | 5° /1° | 0 mm | 0 cm | |
| 8 May | Sunny | 6° /2° | 0 mm | 0 cm | |
| 9 May |  Overcast | 6° /4° | 0 mm | 0 cm | |
| 10 May | Sunny | 8° /5° | 0 mm | 0 cm | |
| 11 May | Partly cloudy | 8° /6° | 0 mm | 0 cm | |
| 12 May | Patchy rain possible | 6° /5° | 0.3 mm | 0 cm | |
| 13 May | Sunny | 7° /5° | 0 mm | 0 cm | |
| 14 May | Partly cloudy | 8° /5° | 0 mm | 0 cm | |
| 15 May | Partly cloudy | 5° /4° | 0 mm | 0 cm | |
| 16 May | Overcast | 5° /3° | 0 mm | 0 cm | |
| 17 May | Partly cloudy | 5° /3° | 0 mm | 0 cm | |
| 18 May | Overcast | 9° /6° | 0 mm | 0 cm | |
| 19 May |  Light sleet | 10° /6° | 6.6 mm | 0 cm | |
| 20 May | Patchy rain possible | 10° /7° | 0.5 mm | 0 cm | |
| 21 May | Light rain shower | 10° /6° | 1.1 mm | 0 cm | |
| 22 May | Light rain shower | 8° /7° | 5.1 mm | 0 cm | |
| 23 May |  Light snow showers | 9° /5° | 5.1 mm | 0 cm | |
| 24 May | Light rain shower | 9° /7° | 19.3 mm | 0 cm | |
| 25 May | Patchy rain possible | 9° /7° | 0.6 mm | 0 cm | |
| 26 May | Patchy rain possible | 10° /8° | 0.2 mm | 0 cm | |
| 27 May | Overcast | 10° /7° | 1.1 mm | 0 cm | |
| 28 May |  Light drizzle | 9° /6° | 3.4 mm | 0 cm | |
| 29 May | Overcast | 8° /6° | 0.2 mm | 0 cm | |
| 30 May | Light rain shower | 8° /6° | 4 mm | 0 cm | |
| 31 May | Light rain shower | 8° /7° | 4.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Keflavík 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 Keflavík forecast closer to your planned date for the most up-to-date weather information.
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Keflavík in May - FAQ
What are the expected maximum and minimum temperatures in Keflavík during May?
During May, expect a variety of temperatures with highs around 8° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Keflavík during May?
Moderate rainfall is anticipated in Keflavík during May, with a total of 88.6 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
Will it snow in Keflavík in May 2026?
Keflavík typically sees 0.145 cm of snowfall during May.
What are the typical wind conditions in Keflavík during May?
The average wind speed in Keflavík during May is 35 km/h, suggesting breezy to windy conditions, depending on your activities.
Keflavík snow forecast May 2026
Track daily snowfall levels and discover Keflavík’s snowy potential this May ❄️
On average, Keflavík sees 1 snowy days during May, with approximately 0.1 cm of total snowfall.
May rainfall patterns in Keflavík
Explore the daily rainfall trends and prepare for Keflavíks May weather 💧
Typically, Keflavík has 19 rainy days in May with a total of 88.6 mm of rainfall.
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Where is Keflavík?Get accurate weather forecasts for Keflavík, located at latitude 64.005 and longitude -22.562. Stay updated with localized weather information tailored for Keflavík.
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