When is the best time to go to Onsala
The chart above shows the best time of year to visit Onsala, Sweden. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Onsala
Onsala weather by month
Please note our recommendations for when to visit Onsala are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 1°C | 63mm | 1hrs | 9hrs |
January is a reasonably dry month in Onsala and the temperature is generally cold.
Based on weather alone, this is probably a time of year to avoid going to Onsala for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Onsala and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (34°F), whilst at night -3°C (26°F) is normal.
On average January is the driest month of the year in Onsala with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 1 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 1°C | 40mm | 2hrs | 10.8hrs |
February in Onsala is generally reasonably dry with the temperature being cold.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Onsala.
February is in the winter in Onsala and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -4°C (25°F) is normal.
On average February is the 2nd driest month of the year in Onsala with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 4°C | 42mm | 3.7hrs | 13hrs |
The weather in March in Onsala is characteristically cool and reasonably dry.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Onsala.
March is in the spring in Onsala and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -1°C (30°F) is normal.
On average March is the 3rd driest month of the year in Onsala with around 42mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 44mm | 6hrs | 15.7hrs |
Onsala's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Onsala.
April is in the spring in Onsala and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 2°C (36°F) is normal.
On average April is the 4th driest month of the year in Onsala with around 44mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 46mm | 8.2hrs | 18.3hrs |
May is a reasonably dry month in Onsala and the temperature is generally mild.
It is perhaps the perfect month to visit Onsala, with some surprisingly good weather at this time of year.
May is in the spring in Onsala and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (44°F) is normal.
On average May is the 5th driest month of the year in Onsala with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 55mm | 9.2hrs | 9hrs |
June in Onsala is generally reasonably dry with the temperature being mild.
It is perhaps the perfect month to visit Onsala, with some particularly good weather at this time of year.
June is in the summer in Onsala and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (51°F) is normal.
On average June is the 6th driest month of the year in Onsala with around 55mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 72mm | 8.7hrs | 10.8hrs |
July in Onsala is generally reasonably dry with the temperature being mild.
It is perhaps the perfect month to visit Onsala, with some very good weather at this time of year.
July is in the summer in Onsala and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 12°C (54°F) is normal.
On average July is the 6th wettest month of the year in Onsala with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 79mm | 7.6hrs | 13hrs |
The weather in August in Onsala is characteristically mild and reasonably dry.
It is perhaps a good month to visit Onsala, with some surprisingly good weather at this time of year.
August is in the summer in Onsala and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 12°C (54°F) is normal.
On average August is the 5th wettest month of the year in Onsala with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 81mm | 5.2hrs | 15.7hrs |
Onsala's weather in September is typically mild and a little damp in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it a good time to visit Onsala.
September is in the fall / autumn in Onsala and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (48°F) is normal.
On average September is the 4th wettest month of the year in Onsala with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.2 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 81mm | 3.2hrs | 18.3hrs |
October is a a little damp month in Onsala and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Onsala.
October is in the fall / autumn in Onsala and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 6°C (43°F) is normal.
On average October is the 3rd wettest month of the year in Onsala with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.2 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 79mm | 1.9hrs | 9hrs |
The weather in November in Onsala is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Onsala for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Onsala and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 2°C (35°F) is normal.
On average November is the 2nd wettest month of the year in Onsala with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.9 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 74mm | 1.1hrs | 10.8hrs |
December in Onsala is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Onsala for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Onsala and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 3°C (38°F), whilst at night -2°C (29°F) is normal.
On average December is the wettest month of the year in Onsala with around 74mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.1 hours of sunshine per day.
Other monthly averages
Onsala weather stats
| Hottest month: | July | 20.3°C 68.5°F |
|---|---|---|
| Driest month: | February | 40mm 1.6ins |
| Sunniest month: | June | 9.2hrs |
| Coldest month: | January | 1°C 33.8°F |
| Wettest month: | September | 81mm 3.2ins |
| Warmest sea: | August | 17.8°C 64°F |
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