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
January
Weather in January
Temperature
Dartmouth in January experiences a gentle temperature dip, with average high-temperatures reducing from 3.5°C (38.3°F) in December to a still cold 0.2°C (32.4°F). During January, Dartmouth witnesses a consistent average low-temperature of -5.5°C (22.1°F).Humidity
In January, the average relative humidity is 83%.Rainfall
In Dartmouth, in January, it is raining for 9.9 days, with typically 83mm (3.27") of accumulated precipitation. In Dartmouth, during the entire year, the rain falls for 148.3 days and collects up to 861mm (33.9") of precipitation.Snowfall
January through May, November and December are months with snowfall in Dartmouth. January is the month with the most snowfall in Dartmouth, Canada. Snow falls for 12.5 days and accumulates 113mm (4.45") of snow.Sea temperature
In January, the average sea temperature is 2.8°C (37°F).Note: During swimming activities, this is a serious life-threatening hazard. Rapid loss of control over breathing impairs cognitive abilities. A specialized swimsuit is essential to limit thermal wastage.
Daylight
In January, the average length of the day in Dartmouth is 9h and 16min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:20 pm AST.
Sunshine
In January, the average sunshine is 3.5h.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Dartmouth. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 1 in January leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Dartmouth in January?
What is the average humidity in January in Dartmouth?
How much does it rain in Dartmouth in January?
When does it snow the most in Dartmouth?
How many days does it snow in January in Dartmouth?
What is the sea temperature in January in Dartmouth?
What is the average length of the day in January in Dartmouth?
What time are sunrise and sunset in January in Dartmouth?
How long on average sun shines in January in Dartmouth?
When is the lowest UV index in Dartmouth?
What is the UV index intensity in January in Dartmouth?
Average temperature in January
Dartmouth, Canada
- Average high temperature in January: 0.2°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in January: -5.5°C
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in January
Dartmouth, Canada
- Average pressure in January: 1012.7mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in January
Dartmouth, Canada
- Average wind speed in January: 21.3km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in January
Dartmouth, Canada
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in January
Dartmouth, Canada
- Average rainfall in January: 83mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in January
Dartmouth, Canada
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Dartmouth, Canada
- Average snowfall in January: 113mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Dartmouth, Canada
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Dartmouth, Canada
- Average sea temperature in January: 2.8°C
The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).
Average daylight in January /
Average sunshine in January
Dartmouth, Canada
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Dartmouth, Canada
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in January
Dartmouth, Canada
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Dartmouth, Canada
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Dartmouth, Canada
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
