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
Weather in January
Temperature
The arrival of January is marked by an average high-temperature of a chilly 9.6°C (49.3°F), bearing a close resemblance to December. January introduces a small decrease to a nighttime average of 7.8°C (46°F) in Helston.Humidity
The average relative humidity in January in Helston is 80%.Rainfall
In Helston, in January, during 20.7 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In Helston, during the entire year, the rain falls for 204.9 days and collects up to 617mm (24.29") of precipitation.Snowfall
Months with snowfall in Helston are January and February. January is the first month it typically snows in Helston. Throughout January, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Helston, during the entire year, snow falls for 1.2 days and aggregates up to 5mm (0.2") of snow.Daylight
The average length of the day in January is 8h and 38min.On the first day of the month, sunrise is at 8:19 am and sunset at 4:28 pm. On the last day of January, in Helston, sunrise is at 7:56 am and sunset at 5:12 pm GMT.
Sunshine
In Helston, United Kingdom, the average sunshine in January is 4h.UV index
January is the month with the lowest UV index in Helston, United Kingdom, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in January translates into these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the usual temperature for Helston in January?
What is the average humidity in January in Helston?
How much does it rain in Helston in January?
When does it start to snow in Helston?
How many hours of daylight does Helston have in January?
When is the sunrise / sunset in January in Helston?
How long on average sun shines in January in Helston?
When is the lowest UV index in Helston?
What is the UV index reading in January in Helston?
Average temperature in January
Helston, United Kingdom
- Average high temperature in January: 9.6°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in January: 7.8°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in January
Helston, United Kingdom
- Average pressure in January: 1014.9mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in January
Helston, United Kingdom
- Average wind speed in January: 31.5km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is July (20.8km/h).
Average humidity in January
Helston, United Kingdom
- Average humidity in January: 80%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are February, November and December (79%).
Average rainfall in January
Helston, United Kingdom
- Average rainfall in January: 62mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in January
Helston, United Kingdom
- Average rainfall days in January: 20.7 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is May (13.6 days).
Average snowfall in January
Helston, United Kingdom
- Average snowfall in January: 2mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Helston, United Kingdom
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Helston, United Kingdom
- Average daylight in January: 8h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January: 4h and 0min
The months with the most sunshine are April and July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in January
Helston, United Kingdom
- Average sunshine days in January: 6.5 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in January
Helston, United Kingdom
- Average UV index in January: 2
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Helston, United Kingdom
- Average cloud cover in January: 61
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in January
Helston, United Kingdom
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Helston, United Kingdom
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