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Iceland weather

Weather in South for May 2026

Your guide to South weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in South during May is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in South at the beginning of May is 9.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 12.1 °C by the end of May.

    • Rain 🌧️

  • South in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 113 mm.

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/6°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
70 %
Avg humidity

South Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
9°
2
Patchy rain possible
10°
3
Light drizzle
10°
4
Light rain
12°
5
Patchy rain possible
9°
6
Light rain shower
9°
7
Light rain shower
8°
8
Sunny
9°
9
Cloudy
8°
10
Light rain
8°
11
Patchy rain possible
10°
12
Light rain shower
11°
13
Thundery outbreaks possible
13°
14
Light drizzle
11°
15
Patchy rain possible
12°
16
Patchy rain possible
13°
17
Overcast
14°
18
Overcast
15°
19
Heavy snow
12°
20
Light rain
13°
21
Overcast
11°
22
Patchy rain possible
11°
23
Light rain shower
9°
24
Light rain shower
11°
25
Light drizzle
11°
26
Patchy rain possible
12°
27
Overcast
12°
28
Patchy rain possible
12°
29
Patchy rain possible
15°
30
Patchy rain possible
13°
31
Patchy rain possible
10°

What’s the Weather Like in South This May?

Discover the average temperatures and weather trends across South’s cities this May.
Patchy rain possibleVík í Mýrdal11 °C / 6 °CPatchy rain possibleHella9 °C / 6 °CMore Locations

Temperatures trend during May in South

See the weather trend as well as the moving average line

May weather in South day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Overcast
Overcast
 9° /2° 0 mm 0 cm
2 May Patchy rain possible
Patchy rain possible
 10° /4° 0 mm 0 cm
3 May Light drizzle
Light drizzle
 10° /3° 0.4 mm 0 cm
4 May Light rain
Light rain
 12° /5° 2.4 mm 0 cm
5 May Patchy rain possible
Patchy rain possible
 9° /5° 3.1 mm 0 cm
6 May Light rain shower
Light rain shower
 9° /4° 3.3 mm 0 cm
7 May Light rain shower
Light rain shower
 8° /5° 6.6 mm 0 cm
8 May Sunny
Sunny
 9° /3° 3.9 mm 0 cm
9 May Cloudy
Cloudy
 8° /2° 2 mm 0.1 cm
10 May Light rain
Light rain
 8° /3° 6.7 mm 0 cm
11 May Patchy rain possible
Patchy rain possible
 10° /4° 0.2 mm 0 cm
12 May Light rain shower
Light rain shower
 11° /5° 8.4 mm 0 cm
13 May Thundery outbreaks possible
Thundery outbreaks possible
 13° /6° 1.1 mm 0 cm
14 May Light drizzle
Light drizzle
 11° /6° 0.6 mm 0 cm
15 May Patchy rain possible
Patchy rain possible
 12° /6° 0.5 mm 0 cm
16 May Patchy rain possible
Patchy rain possible
 13° /6° 0 mm 0 cm
17 May Overcast
Overcast
 14° /7° 0 mm 0 cm
18 May Overcast
Overcast
 15° /6° 0 mm 0 cm
19 May Heavy snow
Heavy snow
 12° /6° 11.1 mm 2.9 cm
20 May Light rain
Light rain
 13° /7° 15.8 mm 0 cm
21 May Overcast
Overcast
 11° /5° 2.7 mm 0 cm
22 May Patchy rain possible
Patchy rain possible
 11° /4° 1.3 mm 0 cm
23 May Light rain shower
Light rain shower
 9° /6° 28.3 mm 0 cm
24 May Light rain shower
Light rain shower
 11° /7° 2.7 mm 0 cm
25 May Light drizzle
Light drizzle
 11° /7° 3.1 mm 0 cm
26 May Patchy rain possible
Patchy rain possible
 12° /6° 1.5 mm 0 cm
27 May Overcast
Overcast
 12° /7° 0.4 mm 0 cm
28 May Patchy rain possible
Patchy rain possible
 12° /7° 4 mm 0 cm
29 May Patchy rain possible
Patchy rain possible
 15° /8° 0.4 mm 0 cm
30 May Patchy rain possible
Patchy rain possible
 13° /8° 1 mm 0 cm
31 May Patchy rain possible
Patchy rain possible
 10° /6° 1.4 mm 0 cm
Next
Important Notice
Our weather forecast for South 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 South forecast closer to your planned date for the most up-to-date weather information.
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South in May - FAQ

What are the expected maximum and minimum temperatures in South during May?
During May, expect a variety of temperatures with highs around 11° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in South during May?
Significant rainfall exceeding 113 mm is expected in South during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in South in May 2026?
South typically sees 3.015 cm of snowfall during May.
What are the typical wind conditions in South during May?
The average wind speed in South during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

South snow forecast May 2026

Track daily snowfall levels and discover South’s snowy potential this May ❄️

May rainfall patterns in South

Explore the daily rainfall trends and prepare for Souths May weather 💧
Provinces in South
Select a province for an accurate weather forecast
MýrdalshreppurRangárþing Ytra
Top locations in South
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HellaVík í Mýrdal
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Quick links

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Location coordinates Where is South?

Get accurate weather forecasts for South, located at latitude 63.419 and longitude -19.01. Stay updated with localized weather information tailored for South.

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