July weather forecast
Slemmestad, Norway

July

Weather in July

July in Slemmestad, Norway, is an agreeable summer month, with an average temperature fluctuating between 20.4°C (68.7°F) and 10.8°C (51.4°F).

Temperature

Temperature readings reach their annual highs in July, averaging 20.4°C (68.7°F) and a minimum average of 10.8°C (51.4°F).

Humidity

In Slemmestad, the average relative humidity in July is 76%.

Rainfall

July is the month with the most rainfall in Slemmestad. Rain falls for 18.3 days and accumulates 40mm (1.57") of precipitation.

Snowfall

In Slemmestad, snow does not fall in June through September.

Sea temperature

In Slemmestad, Norway, in July, the average water temperature is 17.3°C (63.1°F).
Note: For most individuals, swimming in 17.3°C (63.1°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).

Daylight

In July, the average length of the day is 17h and 52min.
On the first day of July in Slemmestad, sunrise is at 04:03 and sunset at 22:40. On the last day of the month, sunrise is at 04:59 and sunset at 21:49 CEST.

Sunshine

The average sunshine in July in Slemmestad is 10.3h.

UV index

May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 4 during July, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What is the warmest month in Slemmestad?
July is Slemmestad's warmest month, registering average high temperatures of 20.4°C (68.7°F) and lows of 10.8°C (51.4°F).
What are the temperatures in Slemmestad in July?
An average high-temperature, in July, in Slemmestad, is 20.4°C (68.7°F) and the average low-temperature is 10.8°C (51.4°F).
What is the average humidity in July in Slemmestad?
In Slemmestad, the average relative humidity in July is 76%.
What is the wettest month in Slemmestad?
The month with the most rainfall in Slemmestad, Norway, is July, when the rain falls for 18.3 days and typically aggregates up to 40mm (1.57") of precipitation.
How many days does it rain in July in Slemmestad?
In July, the rain falls for 18.3 days. Throughout July, 40mm (1.57") of precipitation is accumulated.
When it does not snow in Slemmestad?
In Slemmestad, Norway, snow does not fall in June through September.
What is the sea temperature in July in Slemmestad?
In July, the average sea temperature in Slemmestad, Norway, is 17.3°C (63.1°F). For most, swimming in 17.3°C (63.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Slemmestad have in July?
The average day length in July in Slemmestad is 17h and 52min.
When is the sunrise / sunset in July in Slemmestad?
On the first day of July in Slemmestad, Norway, sunrise is at 04:03 and sunset at 22:40. On the last day of the month, sunrise is at 04:59 and sunset at 21:49 CEST.
How many hours of sunshine does Slemmestad have in July?
In Slemmestad, Norway, the average sunshine duration in July is 10.3h.
When is the highest UV index in Slemmestad?
The months with the highest UV index are May through August, with an average maximum UV index of 4.
What is the UV index reading in July in Slemmestad?
In Slemmestad, the average daily maximum UV index in July is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in July
Slemmestad, Norway
  • Average high temperature in July: 20.4°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in July: 10.8°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).

Average pressure in July
Slemmestad, Norway
  • Average pressure in July: 1010.5mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in July
Slemmestad, Norway
  • Average wind speed in July: 8.6km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in July
Slemmestad, Norway
  • Average humidity in July: 76%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in July
Slemmestad, Norway
  • Average rainfall in July: 40mm

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in July
Slemmestad, Norway
  • Average rainfall days in July: 18.3 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in July
Slemmestad, Norway
  • Average snowfall in July: 0mm

The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in July
Slemmestad, Norway
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in July
Slemmestad, Norway
  • Average sea temperature in July: 17.3°C

The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (3.2°C).

Average daylight in July /
Average sunshine in July
Slemmestad, Norway
  • Average daylight in July: 17h and 5min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in July: 10h and 2min

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).

Average sunshine days in July
Slemmestad, Norway
  • Average sunshine days in July: 10.6 days

The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in July
Slemmestad, Norway
  • Average UV index in July: 4

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in July
Slemmestad, Norway
  • Average cloud cover in July: 47

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).

Average visibility in July
Slemmestad, Norway
  • Average visibility in July: 8km

The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).

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