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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Napierville, Canada, with an average temperature ranging between min -12.4°C (9.7°F) and max -5.3°C (22.5°F). Napierville witnesses the coldest weather in January, with temperatures averaging a high of -5.3°C (22.5°F) and a low of -12.4°C (9.7°F). Weather in January »
Weather in February
February, the last month of the winter in Napierville, is another freezing cold month, with an average temperature ranging between min -11.4°C (11.5°F) and max -3.9°C (25°F). The unfolding of February shows an average high-temperature of a still subzero cold -3.9°C (25°F), indicating a slight variance from January's -5.3°C (22.5°F). Weather in February »
Weather in March
March, the first month of the spring in Napierville, is an icy month, with temperature in the range of an average high of 1.5°C (34.7°F) and an average low of -5.6°C (21.9°F). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a freezing cold -3.9°C (25°F) to a wintry 1.5°C (34.7°F). Weather in March »
Weather in April
April in Napierville, Canada, is a cool spring month, with an average temperature fluctuating between 1.5°C (34.7°F) and 10°C (50°F). The shift into April is marked by a noticeable escalation in the average high-temperature, rising from March's wintry 1.5°C (34.7°F) to a cool 10°C (50°F). Weather in April »
Weather in May
May, the last month of the spring in Napierville, is an enjoyable month, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 8.3°C (46.9°F). With the onset of May, Napierville's weather experiences a distinct temperature rise, moving from a fresh 10°C (50°F) in April to a comfortable 18.3°C (64.9°F). Weather in May »
Weather in June
June, the first month of the summer in Napierville, is a pleasant month, with an average temperature varying between 21.9°C (71.4°F) and 12.1°C (53.8°F). The arrival of June signals a slight increase in the average high-temperature, moving from a refreshing 18.3°C (64.9°F) in May to a pleasant 21.9°C (71.4°F). Weather in June »
Weather in July
July in Napierville, Canada, is a moderately hot summer month, with an average temperature varying between 15.3°C (59.5°F) and 25.4°C (77.7°F). The highest temperatures are recorded in July, with averages reaching a high of 25.4°C (77.7°F) and a low of 15.3°C (59.5°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Napierville, Canada, with an average temperature fluctuating between 24.4°C (75.9°F) and 14.8°C (58.6°F). The weather during August records an average high-temperature of a still moderately hot 24.4°C (75.9°F), closely mirroring the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Napierville, Canada, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 20.8°C (69.4°F). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 24.4°C (75.9°F) to a pleasant 20.8°C (69.4°F). Weather in September »
Weather in October
October, like September, in Napierville, Canada, is another fresh autumn month, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 5.6°C (42.1°F). October's arrival signals a distinct temperature shift, dropping from an agreeable 20.8°C (69.4°F) in September to a fresh 12.8°C (55°F). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Napierville, Canada, with an average temperature fluctuating between 5.3°C (41.5°F) and -1.2°C (29.8°F). November suggests a modest reduction in the average high-temperature, shifting from a cool 12.8°C (55°F) in October to a cold 5.3°C (41.5°F). Weather in November »
Weather in December
December, the first month of the winter in Napierville, is still a freezing cold month, with an average temperature varying between -7.4°C (18.7°F) and -1.8°C (28.8°F). The onset of December results in a decrease in the average high-temperature, receding from an icy 5.3°C (41.5°F) in November to a subzero cold -1.8°C (28.8°F). Weather in December »
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Napierville?
In Napierville, Canada, the lowest temperatures are generally noted in January, averaging a high of -5.3°C (22.5°F) and a low of -12.4°C (9.7°F).
What is the most humid month in Napierville?
The months with the highest humidity are January and February, with an average relative humidity of 90%.
How many days does it rain in Napierville?
In Napierville, during the entire year, the rain falls for 137 days and collects up to 329mm (12.95") of precipitation.
When does it snow in Napierville?
January through May, October through December are months with snowfall.
When does it snow the most in Napierville?
The month with the most snowfall in Napierville is January, when snow falls for 15.6 days and typically aggregates up to 93mm (3.66") of snow.
How many days does it snow in Napierville?
Throughout the year, in Napierville, there are 72.1 snowfall days, and 390mm (15.35") of snow is accumulated.
What are the months with the lowest UV index in Napierville?
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Napierville.
What is the month with the least sunshine in Napierville?
February has the least sunshine of the year, with an average of 2.9h of sunshine.
When is Daylight Saving Time (DST) in Napierville?
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Napierville, Canada, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Napierville?
The least humid month in Napierville is April, with an average relative humidity of 75%.
When it does not snow in Napierville?
In Napierville, Canada, snow does not fall in June through September.
When are the longest days in Napierville?
With an average of 15h and 36min of daylight, June has the longest days of the year in Napierville, Canada.
When is the highest UV index in Napierville?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Napierville, Canada.
What time of the year is the hottest in Napierville?
The month of July sees the average highest temperatures, reaching 25.4°C (77.7°F) at the peak and 15.3°C (59.5°F) at the low.
What is the month with the most sunshine in Napierville?
July and August, with an average of 10.3h of sunshine, are months with the most sunshine in Napierville.
What is the wettest month in Napierville?
August is the month with the most rainfall in Napierville, Canada. Rain falls for 13.8 days and accumulates 37mm (1.46") of precipitation.
What is the driest month in Napierville?
September is the month with the least rainfall. Rain falls for 10 days and accumulates 18mm (0.71") of precipitation.
What is the month with the shortest days in Napierville?
The month with the shortest days in Napierville, Canada, is December, with an average of 8h and 48min of daylight.
Average temperature
Napierville, Canada
The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-5.3°C).
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-12.4°C).
Average pressure
Napierville, Canada
- Average pressure in January:
1016.4mbar - Average pressure in February:
1016mbar - Average pressure in March:
1017.6mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1012.5mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1017.9mbar - Average pressure in December:
1017.3mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed
Napierville, Canada
- Average wind speed in January:
13.1km/h - Average wind speed in February:
13.2km/h - Average wind speed in March:
13.3km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
12.3km/h - Average wind speed in June:
11km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
10.4km/h - Average wind speed in September:
10.7km/h - Average wind speed in October:
12.3km/h - Average wind speed in November:
12.5km/h - Average wind speed in December:
12.2km/h
The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.4km/h).
Average humidity
Napierville, Canada
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Napierville, Canada
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days
Napierville, Canada
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall
Napierville, Canada
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Napierville, Canada
- Average snowfall days in January:
15.6 days - Average snowfall days in February:
17.3 days - Average snowfall days in March:
12.3 days - Average snowfall days in April:
4.2 days - Average snowfall days in May:
0.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.2 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Napierville, Canada
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
2h and 5min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 3min - Average sunshine in December:
3h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days
Napierville, Canada
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Napierville, Canada
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Napierville, Canada
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Napierville, Canada
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
