Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
A minor adjustment in Saint Johns's average high-temperature is noted with the start of January, touching a still chilly 8.2°C (46.8°F) from December's 9.3°C (48.7°F). The temperature in Saint Johns during January experiences a small drop from daytime peaks, recording an average of 5.8°C (42.4°F) at night.Humidity
In January, the average relative humidity is 79%.Rainfall
In Saint Johns, during January, the rain falls for 16 days and regularly aggregates up to 38mm (1.5") of precipitation. In Saint Johns, Isle of Man, during the entire year, the rain falls for 185.3 days and collects up to 494mm (19.45") of precipitation.Snowfall
Months with snowfall in Saint Johns, Isle of Man, are January through April, November and December. In January, in Saint Johns, Isle of Man, it is snowing for 1.1 days. Throughout January, 3mm (0.12") of snow is accumulated. Throughout the year, there are 5.1 snowfall days, and 47mm (1.85") of snow is accumulated.Daylight
The average length of the day in January in Saint Johns is 8h and 2min.On the first day of the month, sunrise is at 08:37 and sunset at 16:04. On the last day of January, in Saint Johns, sunrise is at 08:07 and sunset at 16:54 GMT.
Sunshine
January and November, with an average of 3.8h of sunshine, are months with the least sunshine in Saint Johns.UV index
January through March, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Saint Johns?
What is the average humidity in January in Saint Johns?
How many days does it rain in January in Saint Johns?
How many days does it snow in January in Saint Johns?
What is the average length of the day in January in Saint Johns?
When is the sunrise / sunset in January in Saint Johns?
What is the month with the least sunshine in Saint Johns?
How many hours of sunshine does Saint Johns have in January?
When is the lowest UV index in Saint Johns?
What is the UV index reading in January in Saint Johns?
Average temperature in January
Saint Johns, Isle of Man
- Average high temperature in January: 8.2°C
The warmest month (with the highest average high temperature) is August (15.9°C).
The month with the lowest average high temperature is February (7.4°C).
- Average low temperature in January: 5.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).
Average pressure in January
Saint Johns, Isle of Man
- Average pressure in January: 1010.9mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1007.9mbar).
Average wind speed in January
Saint Johns, Isle of Man
- Average wind speed in January: 33km/h
The windiest month (with the highest average wind speed) is December (34.4km/h).
The calmest month (with the lowest average wind speed) is June (19.7km/h).
Average humidity in January
Saint Johns, Isle of Man
- Average humidity in January: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (77%).
Average rainfall in January
Saint Johns, Isle of Man
- Average rainfall in January: 38mm
The wettest month (with the highest rainfall) is November (63mm).
The driest months (with the least rainfall) are April and May (24mm).
Average rainfall days in January
Saint Johns, Isle of Man
- Average rainfall days in January: 16 days
The month with the highest number of rainy days is November (19.6 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in January
Saint Johns, Isle of Man
- Average snowfall in January: 3mm
The month with the highest snowfall is March (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Saint Johns, Isle of Man
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Saint Johns, Isle of Man
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The months with the least sunshine are January and November (Average sunshine: 3h and 48min).
Average sunshine days in January
Saint Johns, Isle of Man
- Average sunshine days in January: 11.5 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in January
Saint Johns, Isle of Man
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and March (UV index 2).
Average cloud cover in January
Saint Johns, Isle of Man
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in January
Saint Johns, Isle of Man
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
