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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Glenn, California, is a moderate winter month, with an average temperature ranging between max 57.7°F (14.3°C) and min 42.8°F (6°C). The transition from December to January sees average high-temperatures adjusting to a refreshing 57.7°F (14.3°C), from a not significantly different 54.9°F (12.7°C). Weather in January »
Weather in February
February, the last month of the winter in Glenn, is another refreshing month, with an average temperature ranging between max 59°F (15°C) and min 42.3°F (5.7°C). The commencement of February introduces an average high-temperature of a still mild 59°F (15°C), closely mirroring the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Glenn, is an enjoyable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 62.6°F (17°C). In March, Glenn experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 59°F (15°C) in February to an enjoyable 62.6°F (17°C). Weather in March »
Weather in April
April in Glenn, California, is an agreeable spring month, with an average temperature varying between 48.6°F (9.2°C) and 71.1°F (21.7°C). As Glenn enters April, the average high-temperature marginally increases from the a refreshing 62.6°F (17°C) of March to a pleasant 71.1°F (21.7°C). Weather in April »
Weather in May
May, the last month of the spring in Glenn, is a warm month, with an average temperature fluctuating between 79.5°F (26.4°C) and 54.3°F (12.4°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's pleasant 71.1°F (21.7°C) to a moderately hot 79.5°F (26.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Glenn, California, with temperature in the range of an average high of 90.3°F (32.4°C) and an average low of 61.3°F (16.3°C). The start of June is characterized by an increase in the average high-temperature, transitioning from a warm 79.5°F (26.4°C) in May to a hot 90.3°F (32.4°C). Weather in June »
Weather in July
July is a torrid summer month in Glenn, California, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 98.4°F (36.9°C). The highest temperatures are recorded in July, with averages reaching a high of 98.4°F (36.9°C) and a low of 64.8°F (18.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another torrid month in Glenn, California, with an average temperature fluctuating between 96.8°F (36°C) and 63.7°F (17.6°C). The beginning of August reveals an average high-temperature of a still very hot 96.8°F (36°C), showing minimal deviation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Glenn, is still a tropical month, with an average temperature varying between 61.9°F (16.6°C) and 90.5°F (32.5°C). Glenn's September weather shows a modest shift in high-temperatures, falling from August's fiery hot 96.8°F (36°C) to a hot 90.5°F (32.5°C). Weather in September »
Weather in October
October, like September, in Glenn, California, is a moderately hot autumn month, with an average temperature ranging between min 54.7°F (12.6°C) and max 77.2°F (25.1°C). With the onset of October, Glenn's average high-temperature adjusts, receding from September's tropical 90.5°F (32.5°C) to a warm 77.2°F (25.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Glenn, is another refreshing month, with an average temperature varying between 45.9°F (7.7°C) and 64.2°F (17.9°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 77.2°F (25.1°C) in October to a refreshing 64.2°F (17.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also a fresh month in Glenn, California, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 41.9°F (5.5°C). During the coldest month, December, temperatures average a high of 54.9°F (12.7°C) and a low of 41.9°F (5.5°C). Weather in December »
Updated: Jun 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain?
In Glenn, during the entire year, the rain falls for 82.1 days and collects up to 17.24" (438mm) of precipitation.
What is the wettest month in Glenn?
The month with the most rainfall is February, when the rain falls for 9.5 days and typically aggregates up to 3.19" (81mm) of precipitation.
What is the month with the lowest UV index?
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the most humid month?
The most humid month is March, with an average relative humidity of 69%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Glenn, 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.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 7.
What is the hottest time of year?
July, recording an average high temperature of 98.4°F (36.9°C) and a low temperature of 64.8°F (18.2°C), is Glenn's warmest month.
What is the least humid month?
The months with the lowest humidity are July and August, with an average relative humidity of 32%.
What is the driest month?
July and August are months with the least rain when the rain falls for 1.6 days and typically aggregates up to 0.08" (2mm) of rain.
What month has the most sunshine?
With an average of 12.2h of sunshine, July has the most sunshine of the year.
What is the coldest time of year?
December, marked by an average high-temperature of 54.9°F (12.7°C) and a low-temperature of 41.9°F (5.5°C), is the coldest month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.8h of sunshine.
Average temperature
Glenn, CA
The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (54.9°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure
Glenn, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Glenn, CA
- Average wind speed in January:
5.8mph - Average wind speed in February:
6.7mph - Average wind speed in March:
7.1mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.3mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity
Glenn, CA
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall
Glenn, CA
- Average rainfall in January:
2.76" - Average rainfall in February:
3.19" - Average rainfall in March:
2.91" - Average rainfall in April:
0.94" - Average rainfall in May:
1.02" - Average rainfall in June:
0.24"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.2" - Average rainfall in October:
0.94" - Average rainfall in November:
1.77" - Average rainfall in December:
3.11"
The wettest month (with the highest rainfall) is February (3.19").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days
Glenn, CA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
3 days
- Average rainfall days in July:
1.6 days - Average rainfall days in August:
1.7 days - Average rainfall days in September:
2.7 days - Average rainfall days in October:
4.2 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is July (1.6 days).
Average daylight / Average sunshine
Glenn, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Glenn, CA
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
18.6 days - Average sunshine days in May:
24.1 days - Average sunshine days in June:
26.3 days
- Average sunshine days in July:
29.5 days - Average sunshine days in August:
28.5 days - Average sunshine days in September:
26.5 days - Average sunshine days in October:
26.1 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index
Glenn, CA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Glenn, CA
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Glenn, 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).
Glenn, California, USA
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