Weather in July
Temperature
July, with its average high-temperature of 19°C (66.2°F) and an average low-temperature of 12°C (53.6°F), holds the record as the warmest month.Rainfall
In Mariehamn Airport, during July, the rain falls for 12 days and regularly aggregates up to 52mm (2.05") of precipitation. In Mariehamn Airport, during the entire year, the rain falls for 176 days and collects up to 508mm (20") of precipitation.Sea temperature
In Mariehamn Airport, the average seawater temperature in July is 15°C (59°F).Note: A majority do not enjoy swimming in water at 15°C (59°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
In Mariehamn Airport, the average length of the day in July is 17h and 59min.On the first day of the month, sunrise is at 04:21 and sunset at 23:06. On the last day of July, sunrise is at 05:19 and sunset at 22:14 EEST.
Sunshine
In Mariehamn Airport, Finland, the average sunshine in July is 8h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 5 in July leads to these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What month is the hottest in Mariehamn Airport?
What is the average July temperature in Mariehamn Airport?
How many days does it rain in July in Mariehamn Airport?
What is the sea water temperature in July in Mariehamn Airport?
What is the average length of the day in July in Mariehamn Airport?
When are sunrise and sunset in July in Mariehamn Airport?
How long on average sun shines in July in Mariehamn Airport?
What is the month with the highest UV index in Mariehamn Airport?
How high is the UV index in July in Mariehamn Airport?
Average temperature in July
Mariehamn Airport, Finland
- Average high temperature in July: 19°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (-2°C).
- Average low temperature in July: 12°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-8°C).
Average rainfall in July
Mariehamn Airport, Finland
- Average rainfall in July: 52mm
The wettest month (with the highest rainfall) is August (64mm).
The driest months (with the least rainfall) are February and March (25mm).
Average rainfall days in July
Mariehamn Airport, Finland
- Average rainfall days in July: 12 days
The month with the highest number of rainy days is January (20 days).
The months with the least rainy days are May and June (10 days).
Average sea temperature in July
Mariehamn Airport, Finland
- Average sea temperature in July: 15°C
The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (1°C).
Average daylight in July /
Average sunshine in July
Mariehamn Airport, Finland
- Average daylight in July: 18h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in July: 8h
The month with the most sunshine is June (Average sunshine: 9h).
The months with the least sunshine are January, February, November and December (Average sunshine: 1h).
Average UV index in July
Mariehamn Airport, Finland
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).
Mariehamn Airport, Finland
Weather forecast for your location
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