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 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
January
Weather in January
Temperature
January is the month when Happy Valley sees the lowest average temperatures, with a high of 18.5°C (65.3°F) and a low of 15°C (59°F).Humidity
In January, the average relative humidity is 73%.Rainfall
In Happy Valley, in January, it is raining for 12.6 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 224.5 rainfall days, and 1264mm (49.76") of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 57min.On the first day of January, sunrise is at 07:02 and sunset at 17:50. On the last day of the month, sunrise is at 07:02 and sunset at 18:10 HKT.
Sunshine
In Happy Valley, the average sunshine in January is 5.9h.UV index
With an average maximum UV index of 4, January is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in January translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Happy Valley have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Happy Valley, Hong Kong
- Average high temperature in January: 18.5°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in January: 15°C
The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (15°C).
Average pressure in January
Happy Valley, Hong Kong
- Average pressure in January: 1020.3mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).
Average wind speed in January
Happy Valley, Hong Kong
- Average wind speed in January: 15.5km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in January
Happy Valley, Hong Kong
- Average humidity in January: 73%
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is December (70%).
Average rainfall in January
Happy Valley, Hong Kong
- Average rainfall in January: 25mm
The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days in January
Happy Valley, Hong Kong
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is December (11.2 days).
Average daylight in January /
Average sunshine in January
Happy Valley, Hong Kong
- Average daylight in January: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 5h and 18min).
Average sunshine days in January
Happy Valley, Hong Kong
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (3.1 days).
Average UV index in January
Happy Valley, Hong Kong
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Happy Valley, Hong Kong
- Average cloud cover in January: 48
The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are September and October (Cloud cover 35).
Average visibility in January
Happy Valley, Hong Kong
- Average visibility in January: 9km
The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (9km).
