Monthly Weather in Jersey
What is the average monthly temperature in Jersey?
The average monthly temperature in Jersey ranges from 7.5°C (45.5°F) in February to 18.7°C (65.6°F) in September. Jersey temperature by month is given in the table below.
| Month | Celsius | Fahrenheit |
|---|---|---|
| January | 7.7°C | 45.9°F |
| February | 7.5°C | 45.5°F |
| March | 8.9°C | 48.0°F |
| April | 9.9°C | 49.8°F |
| May | 13.0°C | 55.4°F |
| June | 17.0°C | 62.6°F |
| July | 17.1°C | 62.8°F |
| August | 17.3°C | 63.1°F |
| September | 18.7°C | 65.7°F |
| October | 15.0°C | 59.0°F |
| November | 10.9°C | 51.6°F |
| December | 9.8°C | 49.6°F |
What is the hottest month in Jersey?
The hottest months in Jersey are September, August and July. During September the average temperature outside is 18.7°C (65.7°F), in August it is 17.3°C (63.1°F) and during July the air temperature is around 17.1°C (62.8°F).
What is the coldest month in Jersey?
The coldest months in Jersey are February, January and March. In February the average air temperature drops to 7.5°C (45.5°F), in January air temperature is 7.7°C (45.9°F) and during March it is 8.9°C (48°F).
How much does it rain on average in Jersey?
On average it rains for 12 month(s) in Jersey with an average of 23.1 days of rain per month. In total Jersey has 277 rainy days in a year.
When does it rain the most in Jersey?
In Jersey it rains the most during the following months.
- November - on average 7.06mm (0.28 inches) of rainfall per day.
- January - on average 4.17mm (0.16 inches) of rainfall per day.
- December - on average 3.07mm (0.12 inches) of rainfall per day.
- March - on average 2.98mm (0.12 inches) of rainfall per day.
- October - on average 2.88mm (0.11 inches) of rainfall per day.
- July - on average 2.66mm (0.1 inches) of rainfall per day.
Does it snow in Jersey?
No, it doesn't snow in Jersey.
When is it windy in Jersey?
The windiest months in Jersey are November, December and March. In November the average windspeed is 41.3 km/h (25.7 mph), during December the windspeed is 38.6 km/h (24 mph) and in March the windspeed is 35.2 km/h (21.9 mph).
What are the least windy months in Jersey?
The least windy months in Jersey are June, February and September. In June the average windspeed is 24.6 km/h (15.3 mph), during February the windspeed is 25.2 km/h (15.7 mph) and in September the windspeed is 27.5 km/h (17.1 mph).
When is it cloudy in Jersey?
The cloudiest months in Jersey are December, January and November. On average in December 70.1% of sky is covered by clouds, in January 69.7% is covered by clouds and in November clouds cover about 67.1% of sky.
When does Jersey have the clearest sky?
Jersey has the clearest sky in June, September and May. In June 35.6% of sky is covered by clouds, in September clouds cover around 42.1% and during May clouds cover about 42.8% of sky.
What is the average daylight duration in Jersey?
The average daylight duration in Jersey is 12 hours 14 minutes 46 seconds.
Which months have the most daylight in Jersey?
The longest days in Jersey are during June, July and May.
- June - 16 hours 9 minutes 18 seconds of daylight.
- July - 15 hours 45 minutes 7 seconds of daylight.
- May - 15 hours 19 minutes 7 seconds of daylight.
Which months have the least daylight in Jersey?
The shortest days in Jersey are during December, January and November.
- December - 8 hours 17 minutes 1 seconds of daylight.
- January - 8 hours 44 minutes 30 seconds of daylight.
- November - 9 hours 9 minutes 45 seconds of daylight.
What are the humidity levels in Jersey throughout the year?
Humidity levels in Jersey range from 81.8% in June to 89.3% in December.
What are the pressure levels in Jersey throughout the year?
Pressure levels in Jersey change from 1007.2 mb (millibars) in November to 1028.9 mb in February.
What is the visibility in Jersey throughout the year?
Visibility in Jersey changes from lowest 9.1 km (5.7 miles) in June to highest 15.7 km (9.8 miles) in January.
What are the UV levels in Jersey throughout the year?
UV levels change in Jersey from 0 in February to 7.1 in July.
Which months have the highest UV levels in Jersey throughout the year?
In Jersey the highest UV index is during July, January and August. During July the average UV index is 7.1, in January UV level is 2.1 and in August UV index is around 1.3.
Which months have the lowest UV levels in Jersey throughout the year?
The lowest UV levels in Jersey are in February, March and April. In February the average UV index is around 0, in March UV index is 0 and during April UV level is 0.