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
With average high temperatures of 4.3°C (39.7°F) and lows of 0.8°C (33.4°F), January is the coldest month.Humidity
The months with the highest humidity in Perth are January, November and December, with an average relative humidity of 89%.Rainfall
In Perth, in January, during 14.1 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Perth, United Kingdom, during the entire year, the rain falls for 193.4 days and collects up to 508mm (20") of precipitation.Snowfall
January through May, November and December are months with snowfall in Perth. In Perth, in January, snow falls for 3.9 days, with typically accumulated 23mm (0.91") of snow. Throughout the year, there are 15.6 snowfall days, and 167mm (6.57") of snow is accumulated.Daylight
The average length of the day in January in Perth is 7h and 39min.On the first day of January in Perth, sunrise is at 8:47 am and sunset at 3:46 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 4:41 pm GMT.
Sunshine
The average sunshine in January in Perth is 4.3h.UV index
January is the month with the lowest UV index in Perth, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a daily UV index of 1 turns into 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. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What part of the year is the coldest in Perth?
How cold is it in Perth in January?
What are the most humid months in Perth?
What is the average humidity in January in Perth?
How many days does it rain in January in Perth?
How many days does it snow in January in Perth?
How many hours of daylight does Perth have in January?
What time are sunrise and sunset in January in Perth?
How many hours of sunshine does Perth have in January?
When is the lowest UV index in Perth?
What is the UV index reading in January in Perth?
Average temperature in January
Perth, United Kingdom
- Average high temperature in January: 4.3°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in January: 0.8°C
The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in January
Perth, United Kingdom
- Average pressure in January: 1008.4mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in January
Perth, United Kingdom
- Average wind speed in January: 16.6km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.1km/h).
Average humidity in January
Perth, United Kingdom
- Average humidity in January: 89%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (81%).
Average rainfall in January
Perth, United Kingdom
- Average rainfall in January: 32mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in January
Perth, United Kingdom
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in January
Perth, United Kingdom
- Average snowfall in January: 23mm
The month with the highest snowfall is February (55mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Perth, United Kingdom
- Average snowfall days in January: 3.9 days
The month with the highest number of snowfall days is February (4.7 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
Perth, United Kingdom
- Average daylight in January: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The months with the least sunshine are February and October (Average sunshine: 4h and 12min).
Average sunshine days in January
Perth, United Kingdom
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in January
Perth, United Kingdom
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Perth, United Kingdom
- Average cloud cover in January: 57
The month with the most cloud cover is June (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in January
Perth, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are June, July, August, September, October and November (8km).
Perth, United Kingdom
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