Southern Peninsula (Keflavík)
May
Weather in Southern Peninsula for May 2025
Your guide to Southern Peninsula weather in May - trends and predictions
In general, the average temperature in Southern Peninsula at the beginning of May is 6.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 8.9 °C by the end of May.
Southern Peninsula experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
With an average of 2 snowy days, Southern Peninsula enjoys a light touch of snow in May.
Is May a good time to visit Southern Peninsula? check out the best time to travel to Southern Peninsula page.
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6
Dry days
23
Rainy days
2
Snow days
8°/6°
Temperatures
37 km/h
Avg max wind
77 %
Avg humidity
Southern Peninsula in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  7° | 2 7° | 3 7° | 4  7° | |||
| 5  6° | 6 6° | 7 6° | 8 6° | 9 7° | 10  8° | 11 9° |
| 12 8° | 13 7° | 14  6° | 15 7° | 16 7° | 17 7° | 18 7° |
| 19  8° | 20 7° | 21 7° | 22 7° | 23  8° | 24 9° | 25 9° |
| 26 10° | 27 11° | 28 9° | 29 7° | 30 8° | 31 8° |
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Temperatures trend during May in Southern Peninsula
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 | Patchy rain possible | 7° /4° | 0.4 mm | 0 cm | |
| 2 May | Light rain shower | 7° /5° | 2.3 mm | 0 cm | |
| 3 May | Light rain shower | 7° /5° | 1.8 mm | 0 cm | |
| 4 May | Overcast | 7° /5° | 0.1 mm | 0 cm | |
| 5 May | Light sleet showers | 6° /4° | 3.5 mm | 0.2 cm | |
| 6 May | Light sleet showers | 6° /5° | 5.8 mm | 0 cm | |
| 7 May | Light sleet showers | 6° /5° | 5.6 mm | 0 cm | |
| 8 May | Patchy rain possible | 6° /5° | 0.4 mm | 0 cm | |
| 9 May | Patchy rain possible | 7° /5° | 1.3 mm | 0 cm | |
| 10 May | Light drizzle | 8° /7° | 5.6 mm | 0 cm | |
| 11 May | Patchy rain possible | 9° /7° | 0.5 mm | 0 cm | |
| 12 May | Light rain shower | 8° /6° | 6.8 mm | 0 cm | |
| 13 May | Patchy rain possible | 7° /5° | 0 mm | 0 cm | |
| 14 May | Sunny | 6° /4° | 0 mm | 0 cm | |
| 15 May | Light drizzle | 7° /5° | 2.6 mm | 0 cm | |
| 16 May | Light drizzle | 7° /4° | 2.8 mm | 0 cm | |
| 17 May | Light drizzle | 7° /5° | 0.6 mm | 0 cm | |
| 18 May | Overcast | 7° /4° | 0 mm | 0 cm | |
| 19 May | Light sleet | 8° /3° | 13.1 mm | 0 cm | |
| 20 May | Patchy rain possible | 7° /5° | 1 mm | 0 cm | |
| 21 May | Light rain shower | 7° /5° | 2.1 mm | 0 cm | |
| 22 May | Light rain shower | 7° /5° | 2 mm | 0 cm | |
| 23 May | Light snow showers | 8° /3° | 8.5 mm | 0.1 cm | |
| 24 May | Light rain shower | 9° /8° | 38.2 mm | 0 cm | |
| 25 May | Patchy rain possible | 9° /8° | 0.9 mm | 0 cm | |
| 26 May | Patchy rain possible | 10° /9° | 0.4 mm | 0 cm | |
| 27 May | Overcast | 11° /8° | 0 mm | 0 cm | |
| 28 May | Light drizzle | 9° /7° | 3.3 mm | 0 cm | |
| 29 May | Overcast | 7° /5° | 0.2 mm | 0 cm | |
| 30 May | Light rain shower | 8° /7° | 7.6 mm | 0 cm | |
| 31 May | Light rain shower | 8° /7° | 8.9 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.
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?
Significant rainfall exceeding 126.3 mm is expected in Southern Peninsula during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Southern Peninsula during May?
Southern Peninsula experiences an average snowfall of 0.3 cm during May, occurring over 2 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Southern Peninsula during May?
The average wind speed in Southern Peninsula during May is 37 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Southern Peninsula in May?
As you prepare for your trip to Southern Peninsula 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 Southern Peninsula, 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 Southern Peninsula
Explore the daily rainfall trends and prepare for Southern Peninsulas May weather 💧
May snowfall in Southern Peninsula
Track daily snowfall levels and discover Southern Peninsula’s snowy potential this May ❄️
Provinces in Southern Peninsula
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Top locations in Southern Peninsula
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