January weather forecastStraffan, Ireland
January
Weather in January
January, the same as December, in Straffan, Ireland, is a frosty winter month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.2°C (36°F).Temperature
Straffan's coldest month, January, registers temperatures that range from a high of 6.9°C (44.4°F) to a low of 2.2°C (36°F).Humidity
In Straffan, the average relative humidity in January is 89%.Rainfall
January, April and October are months with the least rain in Straffan when the rain falls for 12.1 days and typically aggregates up to 16mm (0.63") of rain.Snowfall
Months with snowfall in Straffan are January through March and December. January is the month with the most snowfall. Snow falls for 1.9 days and accumulates 15mm (0.59") of snow.Daylight
In January, the average length of the day is 8h and 11min.On the first day of the month, sunrise is at 8:41 am and sunset at 4:18 pm. On the last day of January, sunrise is at 8:12 am and sunset at 5:06 pm GMT.
Sunshine
The average sunshine in January in Straffan is 4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Straffan, Ireland
- Average high temperature in January: 6.9°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in January: 2.2°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in January
Straffan, Ireland
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in January
Straffan, Ireland
- Average wind speed in January: 20.3km/h
The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity in January
Straffan, Ireland
- Average humidity in January: 89%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall in January
Straffan, Ireland
- Average rainfall in January: 16mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).
Average rainfall days in January
Straffan, Ireland
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in January
Straffan, Ireland
- Average snowfall in January: 15mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Straffan, Ireland
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Straffan, Ireland
- Average daylight in January: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in January
Straffan, Ireland
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in January
Straffan, Ireland
- Average UV index in January: 2
The months with the highest UV index are May, June and August (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
Straffan, Ireland
- Average cloud cover in January: 61
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in January
Straffan, Ireland
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
