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
Entering January, the average high-temperature is recorded at a chilly 9°C (48.2°F), exhibiting a minimal shift from December's 10.1°C (50.2°F). Port Isaac maintains an average of approximately 6.3°C (43.3°F) during January nights, with only a minimal decrease from the daytime temperature.Humidity
In Port Isaac, the average relative humidity in January is 82%.Rainfall
In Port Isaac, in January, it is raining for 19.4 days, with typically 61mm (2.4") of accumulated precipitation. Throughout the year, there are 197.9 rainfall days, and 600mm (23.62") of precipitation is accumulated.Snowfall
Months with snowfall are January, February, November and December. In Port Isaac, in January, snow falls for 0.3 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, there are 1.5 snowfall days, and 8mm (0.31") of snow is accumulated.Daylight
In Port Isaac, the average length of the day in January is 8h and 34min.On the first day of January in Port Isaac, sunrise is at 8:20 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:08 pm GMT.
Sunshine
January, November and December, with an average of 3.8h of sunshine, are months with the least sunshine in Port Isaac.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Port Isaac. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the temperature in January in Port Isaac?
What is the average humidity in January in Port Isaac?
How many days does it rain in January in Port Isaac?
How many days does it snow in January in Port Isaac?
What is the average length of the day in January in Port Isaac?
When is the sunrise / sunset in January in Port Isaac?
What is the month with the least sunshine in Port Isaac?
How many hours of sunshine does Port Isaac have in January?
What are the months with the lowest UV index in Port Isaac?
What is the UV index reading in January in Port Isaac?
Average temperature in January
Port Isaac, United Kingdom
- Average high temperature in January: 9°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (8.7°C).
- Average low temperature in January: 6.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).
Average pressure in January
Port Isaac, United Kingdom
- Average pressure in January: 1014.5mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in January
Port Isaac, United Kingdom
- Average wind speed in January: 27.8km/h
The windiest month (with the highest average wind speed) is December (29km/h).
The calmest month (with the lowest average wind speed) is July (18.3km/h).
Average humidity in January
Port Isaac, United Kingdom
- Average humidity in January: 82%
The months with the highest relative humidity are June, July and August (84%).
The months with the lowest relative humidity are February, March and November (81%).
Average rainfall in January
Port Isaac, United Kingdom
- Average rainfall in January: 61mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in January
Port Isaac, United Kingdom
- Average rainfall days in January: 19.4 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is May (14 days).
Average snowfall in January
Port Isaac, United Kingdom
- Average snowfall in January: 1mm
The months with the highest snowfall are February and December (3mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Port Isaac, United Kingdom
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Port Isaac, United Kingdom
- Average daylight in January: 8h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is April (Average sunshine: 8h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).
Average sunshine days in January
Port Isaac, United Kingdom
- Average sunshine days in January: 8.5 days
The month with the most sunshine days is May (14.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in January
Port Isaac, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Port Isaac, United Kingdom
- Average cloud cover in January: 62
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in January
Port Isaac, United Kingdom
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
Port Isaac, United Kingdom
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