May weather forecastHorten, Norway

May

Weather in May

May experiences a swifter rise in average temperatures, reaching upto 13.3°C (55.9°F). This considerable change alerts the townsfolk about the nearing summer as longer hours of daylight enhance the warmth. It's time to shed off the sweaters in the daytime as the sun shines brighter. The increased sunshine also hastens the growth of crops.

Temperature

A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a chilly 8.9°C (48°F) in April to a mild 13.3°C (55.9°F). Horten's temperature lowers to a mean of 7.8°C (46°F) during the nights in May.

Humidity

The months with the lowest humidity in Horten are April and May, with an average relative humidity of 72%.

Rainfall

In May, in Horten, the rain falls for 13.5 days. Throughout May, 46mm (1.81") of precipitation is accumulated. Throughout the year, in Horten, there are 146.5 rainfall days, and 650mm (25.59") of precipitation is accumulated.

Snowfall

In Horten, snow does not fall in May through September.

Sea temperature

In Horten, Norway, the average seawater temperature in May is 11.3°C (52.3°F).
Note: Dipping into 11.3°C (52.3°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.

Daylight

In Horten, the average length of the day in May is 17h and 3min.
On the first day of May, sunrise is at 05:16 and sunset at 21:13. On the last day of the month, sunrise is at 04:13 and sunset at 22:18 CEST.

Sunshine

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

UV index

In Horten, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

In Horten, in May, the average high-temperature is 13.3°C (55.9°F), and the average low-temperature is 7.8°C (46°F).

The months with the lowest humidity in Horten, Norway, are April and May, with an average relative humidity of 72%.

In Horten, the average relative humidity in May is 72%.

In Horten, Norway, in May, during 13.5 rainfall days, 46mm (1.81") of precipitation is typically accumulated.

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

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

In Horten, in May, the average water temperature is 11.3°C (52.3°F). Swimming in 11.3°C (52.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

In Horten, the average day length in May is 17h and 3min.

On the first day of May in Horten, sunrise is at 05:16 and sunset at 21:13. On the last day of the month, sunrise is at 04:13 and sunset at 22:18 CEST.

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

The average daily maximum UV index in May in Horten is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Horten, Norway

  • Average high temperature in May: 13.3°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 (0.1°C).

  • Average low temperature in May: 7.8°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).

Average pressure in May
Horten, Norway

  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in May
Horten, Norway

  • Average wind speed in May: 14.5km/h

The windiest months (with the highest average wind speed) are November and December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).

Average humidity in May
Horten, Norway

  • Average humidity in May: 72%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in May
Horten, Norway

  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in May
Horten, Norway

  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in May
Horten, Norway

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May
Horten, Norway

  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May
Horten, Norway

  • Average sea temperature in May: 11.3°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

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

  • Average daylight in May: 17h and 6min

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

  • Average sunshine in May: 9h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in May
Horten, Norway

  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in May
Horten, Norway

  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Horten, Norway

  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 36).

Average visibility in May
Horten, Norway

  • Average visibility in May: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is February (8km).