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 sea temperature 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
In Penarth, the lowest temperatures are generally noted in January, averaging a high of 7.5°C (45.5°F) and a low of 4.1°C (39.4°F).Humidity
In January, the average relative humidity in Penarth, United Kingdom, is 85%.Rainfall
In Penarth, in January, it is raining for 11.3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Penarth, there are 132.6 rainfall days, and 252mm (9.92") of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall in Penarth. In Penarth, United Kingdom, during January, snow falls for 0.8 days and regularly aggregates up to 1mm (0.04") of snow. In Penarth, during the entire year, snow falls for 3.1 days and aggregates up to 8mm (0.31") of snow.Sea temperature
In Penarth, United Kingdom, the average seawater temperature in January is 9.3°C (48.7°F).Note: Dipping into 9.3°C (48.7°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
In January, the average length of the day is 8h and 28min.On the first day of the month, sunrise is at 8:17 am and sunset at 4:14 pm. On the last day of January, in Penarth, United Kingdom, sunrise is at 7:52 am and sunset at 4:59 pm GMT.
Sunshine
In January, the average sunshine is 4.1h.UV index
The months with the lowest UV index in Penarth are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What part of the year is the coldest in Penarth?
What is the temperature in January in Penarth?
What is the average humidity in January in Penarth?
How much does it rain in Penarth in January?
How much does it snow in Penarth in January?
How cold is the water in January in Penarth?
How many hours of daylight does Penarth have in January?
What time are sunrise and sunset in January in Penarth?
How many hours of sunshine does Penarth have in January?
When is the lowest UV index in Penarth?
What is the UV index reading in January in Penarth?
Average temperature in January
Penarth, United Kingdom
- Average high temperature in January: 7.5°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in January: 4.1°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in January
Penarth, United Kingdom
- Average pressure in January: 1014mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in January
Penarth, United Kingdom
- Average wind speed in January: 21.6km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).
Average humidity in January
Penarth, United Kingdom
- Average humidity in January: 85%
The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in January
Penarth, United Kingdom
- Average rainfall in January: 16mm
The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in January
Penarth, United Kingdom
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).
Average snowfall in January
Penarth, United Kingdom
- Average snowfall in January: 1mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Penarth, United Kingdom
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in January
Penarth, United Kingdom
- Average sea temperature in January: 9.3°C
The best months for swimming (with the highest average sea temperature) are August and September (16.6°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in January /
Average sunshine in January
Penarth, United Kingdom
- Average daylight in January: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in January
Penarth, United Kingdom
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in January
Penarth, United Kingdom
- 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, March, November and December (UV index 2).
Average cloud cover in January
Penarth, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in January
Penarth, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).
Penarth, United Kingdom
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