May weather forecast
Arendal, Norway

Today
Tomorrow
Long-term
YearJFMAMayJJASOND
°Celsius°Fahrenheit
englishespañol中文
Share

Contents

Weather in May

The gradual transition into a warmer season continues into May in Arendal. In May, locals enjoy the most daylight hours, creating an extended day of activities. The weather becomes more suitable for outdoor pursuits due to the significantly warmer temperatures. Pleasant climate and blooming flowers lure both residents and tourists out into the city's parks and green spaces. As May concludes, the city is ready to welcome the peak of the warm season.

Temperature

May's arrival coincides with a subtle temperature rise, moving from April's chilly 8.8°C (47.8°F) to a cool 12.9°C (55.2°F). Nights in May cool down, indicating a minor disparity from daytime highs with an average low-temperature of 7.9°C (46.2°F).

Humidity

May and June, with an average relative humidity of 70%, are the least humid months.

Rainfall

In Arendal, during May, the rain falls for 10.8 days and regularly aggregates up to 40mm (1.57") of precipitation. In Arendal, Norway, during the entire year, the rain falls for 137.7 days and collects up to 744mm (29.29") of precipitation.

Snowfall

In Arendal, Norway, snow does not fall in May through September.

Sea temperature

In Arendal, in May, the average water temperature is 10.7°C (51.3°F).
Note: Entering waters of 10.7°C (51.3°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.

Daylight

In May, the average length of the day is 16h and 50min.
On the first day of May in Arendal, sunrise is at 05:28 and sunset at 21:15. On the last day of the month, sunrise is at 04:28 and sunset at 22:17 CEST.

Sunshine

In May, the average sunshine in Arendal is 9.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing.
[Resources]

Frequently asked questions

What are the temperatures in Arendal in May?

During May, Arendal experiences an average high-temperature of 12.9°C (55.2°F) and a low-temperature of 7.9°C (46.2°F).

What are the least humid months in Arendal?

The months with the lowest humidity are May and June, with an average relative humidity of 70%.

What is the average humidity in May in Arendal?

In Arendal, the average relative humidity in May is 70%.

How much does it rain in Arendal in May?

In Arendal, during May, the rain falls for 10.8 days and regularly aggregates up to 40mm (1.57") of precipitation.

When it does not snow in Arendal?

May through September are months without snowfall in Arendal, Norway.

Does it snow in Arendal in May?

In May, in Arendal, Norway, it doesn't snow. April is the latest month when it typically snows.

What is the water temperature in May in Arendal?

In Arendal, the average seawater temperature in May is 10.7°C (51.3°F). Swimming in 10.7°C (51.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Arendal have in May?

In May, the average day length in Arendal is 16h and 50min.

What time are sunrise and sunset in May in Arendal?

In May, on the first day of the month, sunrise is at 05:28 and sunset at 21:15. On the last day of the month, in Arendal, sunrise is at 04:28 and sunset at 22:17 CEST.

How long on average sun shines in May in Arendal?

In Arendal, the average sunshine duration in May is 9.8h.

What is the UV index intensity in May in Arendal?

The average daily maximum UV index in May in Arendal, Norway, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
8.8°C 47.8°F
12.9°C 55.2°F
17°C 62.6°F
Average low temperature
4.3°C 39.7°F
7.9°C 46.2°F
11.4°C 52.5°F
Average pressure
1014.6mbar 29.96inHg
1014.5mbar 29.96inHg
1012.7mbar 29.91inHg
Average wind speed
16.3km/h 10.1mph
16.1km/h 10mph
15.5km/h 9.6mph
Average max. wind speed
17.2km/h 10.7mph
17.3km/h 10.7mph
16.7km/h 10.4mph
Average wind speed gusts
26.1km/h 16.2mph
25.1km/h 15.6mph
23.8km/h 14.8mph
Average humidity
72%
70%
70%
Average rainfall
29mm 1.14"
40mm 1.57"
53mm 2.09"
Average rainfall days
9.4
10.8
10.5
Average snowfall
10mm 0.39"
0mm 0"
0mm 0"
Average snowfall days
0.8
0
0
Average sea temperature
6.5°C 43.7°F
10.7°C 51.3°F
14.6°C 58.3°F
Average daylight
14h 3min
16h 5min
18h 1min
Average sunshine
8h 4min
9h 5min
11h 2min
Average sunshine days
19
18.9
18.3
Average UV index
3
4
4
Average cloud cover
41%
39%
36%
Average visibility
10km 6.2mi
10km 6.2mi
10km 6.2mi

Average temperature in May
Arendal, Norway

Average temperature in May - Arendal, Norway
  • Average high temperature in May: 12.9°C

The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (1.3°C).

  • Average low temperature in May: 7.9°C

The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).

[Resources]

Average pressure in May
Arendal, Norway

Average pressure in May - Arendal, Norway
  • Average pressure in May: 1014.5mbar

The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

[Resources]

Average wind speed in May
Arendal, Norway

Average wind speed in May - Arendal, Norway
  • Average wind speed in May: 16.1km/h

The windiest month (with the highest average wind speed) is November (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).

[Resources]

Average humidity in May
Arendal, Norway

Average humidity in May - Arendal, Norway
  • Average humidity in May: 70%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are May and June (70%).

[Resources]

Average rainfall in May
Arendal, Norway

Average rainfall in May - Arendal, Norway
  • Average rainfall in May: 40mm

The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is April (29mm).

[Resources]

Average rainfall days in May
Arendal, Norway

Average rainfall days in May - Arendal, Norway
  • Average rainfall days in May: 10.8 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is February (8 days).

[Resources]

Average snowfall in May
Arendal, Norway

Average snowfall in May - Arendal, Norway
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).

[Resources]

Average snowfall days in May
Arendal, Norway

Average snowfall days in May - Arendal, Norway
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average sea temperature in May
Arendal, Norway

Average sea temperature in May - Arendal, Norway
  • Average sea temperature in May: 10.7°C

The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is March (3.4°C).

[Resources]

Average daylight in May /
Average sunshine in May
Arendal, Norway

Average daylight in May / Average sunshine in May - Arendal, Norway
  • Average daylight in May: 16h and 5min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

[Resources]

Average sunshine days in May
Arendal, Norway

Average sunshine days in May - Arendal, Norway
  • Average sunshine days in May: 18.9 days

The month with the most sunshine days is April (19 days).
The month with the least sunshine days is November (10.8 days).

[Resources]

Average UV index in May
Arendal, Norway

Average UV index in May - Arendal, Norway
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

[Resources]

Average cloud cover in May
Arendal, Norway

Average cloud cover in May - Arendal, Norway
  • Average cloud cover in May: 39

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).

[Resources]

Average visibility in May
Arendal, Norway

Average visibility in May - Arendal, Norway
  • Average visibility in May: 10km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

[Resources]

Arendal, Norway

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location