Southern Peninsula (Keflavík)
May
Weather in Southern Peninsula for May 2026
Your guide to Southern Peninsula weather in May - trends and predictions
Snowfall in Southern Peninsula during May is quite rare, with fewer than 2 snowy days on average.
According to Southern Peninsula snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Tuesday, 5 May.The forecast for the first days of May 2026 in Southern Peninsula predicts a temperature of 5.6 °C, which is slightly above the historical average.
In general, the average temperature in Southern Peninsula at the beginning of May is 4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.9 °C by the end of May.
Southern Peninsula 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
Southern Peninsula Weather May
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Temperatures trend during May in Southern Peninsula
See the weather trend as well as the moving average line
May weather in Southern Peninsula day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 6° /4° | 0.5 mm | 0 cm | |
| 2 May | Patchy rain possible | 6° /4° | 0.3 mm | 0 cm | |
| 3 May |  Blowing snow | 2° /0° | 0 mm | 0 cm | |
| 4 May |  Partly cloudy | 2° /0° | 0 mm | 0 cm | |
| 5 May | Partly cloudy | 2° /1° | 0.1 mm | 0 cm | |
| 6 May | Partly cloudy | 5° /3° | 0 mm | 0 cm | |
| 7 May | Partly cloudy | 5° /3° | 0 mm | 0 cm | |
| 8 May | Patchy rain possible | 8° /6° | 0.3 mm | 0 cm | |
| 9 May | Patchy rain possible | 6° /4° | 4.3 mm | 0 cm | |
| 10 May |  Light drizzle | 7° /5° | 4.4 mm | 0 cm | |
| 11 May | Patchy rain possible | 8° /5° | 0.4 mm | 0 cm | |
| 12 May | Light rain shower | 8° /6° | 3.7 mm | 0 cm | |
| 13 May | Patchy rain possible | 8° /6° | 0 mm | 0 cm | |
| 14 May |  Sunny | 8° /6° | 0 mm | 0 cm | |
| 15 May | Light drizzle | 9° /7° | 1.3 mm | 0 cm | |
| 16 May | Light drizzle | 9° /6° | 1.4 mm | 0 cm | |
| 17 May | Light drizzle | 9° /7° | 0.3 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 Southern Peninsula 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 Southern Peninsula forecast closer to your planned date for the most up-to-date weather information.
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Southern Peninsula in May - FAQ
What are the expected maximum and minimum temperatures in Southern Peninsula 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 Southern Peninsula during May?
Moderate rainfall is anticipated in Southern Peninsula 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 Southern Peninsula in May 2026?
Southern Peninsula typically sees 0.145 cm of snowfall during May.
What are the typical wind conditions in Southern Peninsula during May?
The average wind speed in Southern Peninsula during May is 35 km/h, suggesting breezy to windy conditions, depending on your activities.
Southern Peninsula snow forecast May 2026
Track daily snowfall levels and discover Southern Peninsula’s snowy potential this May ❄️
On average, Southern Peninsula sees 1 snowy days during May, with approximately 0.1 cm of total snowfall.
May rainfall patterns in Southern Peninsula
Explore the daily rainfall trends and prepare for Southern Peninsulas May weather 💧
Typically, Southern Peninsula has 19 rainy days in May with a total of 88.6 mm of rainfall.
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