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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 days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Montclair, California, is another enjoyable winter month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 64.6°F (18.1°C). Montclair greets January with an average high-temperature of a still comfortable 64.6°F (18.1°C), marking a slight deviation from the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Montclair, is also an enjoyable month, with an average temperature fluctuating between 64°F (17.8°C) and 45.7°F (7.6°C). At the start of February, Montclair's average high-temperature reaches a still enjoyable 64°F (17.8°C), subtly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a pleasant month in Montclair, California, with an average temperature fluctuating between 46.9°F (8.3°C) and 68.4°F (20.2°C). Entering March, the average high-temperature is recorded at a pleasant 68.4°F (20.2°C), exhibiting a minimal shift from February's 64°F (17.8°C). Weather in March »
Weather in April
April, like March, is an agreeable spring month in Montclair, California, with an average temperature ranging between min 50.2°F (10.1°C) and max 72.9°F (22.7°C). With the transition into April, Montclair notes an average high-temperature of a still agreeable 72.9°F (22.7°C), closely resembling March. Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Montclair, California, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 76.6°F (24.8°C). The advent of May observes an average high-temperature of a warm 76.6°F (24.8°C), nearly identical to April's 72.9°F (22.7°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Montclair, California, with an average temperature varying between 58.5°F (14.7°C) and 84°F (28.9°C). The arrival of June witnesses a small shift in the average high-temperature, moving from 76.6°F (24.8°C) in May to a still moderately hot 84°F (28.9°C). Weather in June »
Weather in July
July is a hot summer month in Montclair, California, with an average temperature ranging between min 64.8°F (18.2°C) and max 90°F (32.2°C). The start of July brings a subtle rise in the average high-temperature, moving from a moderately hot 84°F (28.9°C) in June to a tropical 90°F (32.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Montclair, California, with an average temperature fluctuating between 65.8°F (18.8°C) and 91°F (32.8°C). August is the month when Montclair's temperatures reach their peak, with averages of 91°F (32.8°C) and lows of 65.8°F (18.8°C). During August, the heat index is calculated to be a hot 93.2°F (34°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a hot month in Montclair, California, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 88.2°F (31.2°C). Montclair's shift from August to September is accompanied by an average high-temperature of a still hot 88.2°F (31.2°C), a slight deviation from 91°F (32.8°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Montclair, California, with an average temperature varying between 79°F (26.1°C) and 57.9°F (14.4°C). October involves a decrease in temperature, down from a tropical 88.2°F (31.2°C) in September to a warm 79°F (26.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Montclair, is another pleasant month, with an average temperature ranging between max 70.7°F (21.5°C) and min 50.9°F (10.5°C). November signals a slight drop in average high-temperature, sliding from October's warm 79°F (26.1°C) to a pleasant 70.7°F (21.5°C). Weather in November »
Weather in December
December, the first month of the winter in Montclair, is still a refreshing month, with an average temperature ranging between min 45.5°F (7.5°C) and max 62.1°F (16.7°C). December is the month when Montclair sees the lowest average temperatures, with a high of 62.1°F (16.7°C) and a low of 45.5°F (7.5°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Montclair?
In Montclair, California, during the entire year, the rain falls for 49.6 days and collects up to 7.8" (198mm) of precipitation.
When it does not snow in Montclair?
January, March through December are months without snowfall in Montclair, California.
How many days does it snow in Montclair?
Throughout the year, there are 0.1 snowfall days.
What is the rainiest month in Montclair?
February is the month with the most rainfall. Rain falls for 6 days and accumulates 1.77" (45mm) of precipitation.
When does it snow in Montclair?
The only month with snowfall is February.
What is the snowiest month in Montclair?
The month with the most snowfall days is February, when snow falls for 0.1 days.
What are the months with the least sunshine in Montclair?
The months with the least sunshine in Montclair are February and December, with an average of 6.9h of sunshine.
What is the most humid month in Montclair?
March and May, with an average relative humidity of 54%, are most humid months in Montclair, California.
When is Daylight Saving Time (DST) in Montclair?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Montclair, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the driest month in Montclair?
The month with the least rainfall in Montclair, California, is June, when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days in Montclair?
With an average of 14h and 24min of daylight, June has the longest days of the year.
What month has the most sunshine in Montclair?
The month with the most sunshine is July, with an average of 12.1h of sunshine.
When is the highest UV index in Montclair?
July and August, with an average maximum UV index of 7, are months with the highest UV index in Montclair.
What month is the hottest in Montclair?
August is the warmest month in Montclair, exhibiting average temperatures of 91°F (32.8°C) at the peak and 65.8°F (18.8°C) at the base.
What is the least humid month in Montclair?
August is the least humid month in Montclair, California, with an average relative humidity of 42%.
What part of the year is the coldest in Montclair?
Montclair, California, reaches its average lowest temperatures in December, measuring 62.1°F (16.7°C) at the peak and 45.5°F (7.5°C) at the lowest.
What is the month with the shortest days in Montclair?
December has the shortest days of the year in Montclair, with an average of 9h and 54min of daylight.
What is the month with the lowest UV index in Montclair?
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Montclair, CA
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure
Montclair, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Montclair, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
Montclair, CA
The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Montclair, CA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.77" - Average rainfall in March:
0.79" - Average rainfall in April:
0.71" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.12" - Average rainfall in September:
0.12" - Average rainfall in October:
0.24" - Average rainfall in November:
0.75" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Montclair, CA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
6 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
5.7 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.7 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
3 days - Average rainfall days in November:
4 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days
Montclair, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Montclair, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 5min - Average sunshine in March:
9h and 0min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 5min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days
Montclair, CA
- Average sunshine days in January:
24.6 days - Average sunshine days in February:
21.5 days - Average sunshine days in March:
23.6 days - Average sunshine days in April:
23.8 days - Average sunshine days in May:
26 days - Average sunshine days in June:
28.2 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
25.4 days - Average sunshine days in October:
26.5 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
23.2 days
The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).
Average UV index
Montclair, CA
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Montclair, CA
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Montclair, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Montclair, California, USA
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