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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 is a moderate winter month in Byron, California, with an average temperature ranging between max 56.1°F (13.4°C) and min 41.5°F (5.3°C). Transitioning into January, Byron records an average high-temperature of a refreshing 56.1°F (13.4°C), almost identical to December's 55°F (12.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Byron, California, with an average temperature fluctuating between 42.4°F (5.8°C) and 59.7°F (15.4°C). As Byron welcomes February, the average high-temperature records at a still moderate 59.7°F (15.4°C), marking an insignificant deviation from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Byron, is a refreshing month, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 63.5°F (17.5°C). In March, Byron experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 59.7°F (15.4°C) in February to a comfortable 63.5°F (17.5°C). Weather in March »
Weather in April
April is an agreeable spring month in Byron, California, with an average temperature ranging between min 46.6°F (8.1°C) and max 69.4°F (20.8°C). April's arrival coincides with a subtle temperature rise, moving from March's refreshing 63.5°F (17.5°C) to an agreeable 69.4°F (20.8°C). Weather in April »
Weather in May
May, the last month of the spring in Byron, is a warm month, with an average temperature ranging between min 50.5°F (10.3°C) and max 75.6°F (24.2°C). As Byron transitions into May, a marginal rise in the average high-temperature is observed, moving from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
June, the first month of the summer in Byron, is also a moderately hot month, with an average temperature ranging between min 55°F (12.8°C) and max 84.4°F (29.1°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's 75.6°F (24.2°C) to a still moderately hot 84.4°F (29.1°C). Weather in June »
Weather in July
July is a hot summer month in Byron, California, with an average temperature fluctuating between 56.5°F (13.6°C) and 88.5°F (31.4°C). Byron's July weather reaches an average high of 88.5°F (31.4°C) and an average low of 56.5°F (13.6°C), making it the warmest month. July's heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Byron, is another tropical month, with an average temperature ranging between max 87.4°F (30.8°C) and min 57.4°F (14.1°C). Byron experiences a subtle adjustment in high-temperatures to a still hot 87.4°F (30.8°C) with the onset of August, maintaining near parity with July's 88.5°F (31.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Byron, is still a warm month, with an average temperature ranging between max 85.3°F (29.6°C) and min 57.7°F (14.3°C). The onset of September brings with it an average high-temperature of a moderately hot 85.3°F (29.6°C), showing a negligible variation from the month before. Weather in September »
Weather in October
October, like September, in Byron, California, is a moderately hot autumn month, with an average temperature ranging between min 54°F (12.2°C) and max 75.9°F (24.4°C). The shift from September to October involves a decrease in the average high-temperature, dropping from a warm 85.3°F (29.6°C) to a still moderately hot 75.9°F (24.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Byron, is another comfortable month, with an average temperature varying between 63.9°F (17.7°C) and 46.6°F (8.1°C). As October transitions to November, the average high-temperature falls from a moderately hot 75.9°F (24.4°C) to a refreshing 63.9°F (17.7°C). Weather in November »
Weather in December
December, the first month of the winter in Byron, is still a cool month, with an average temperature ranging between max 55°F (12.8°C) and min 41.7°F (5.4°C). December is the month that records the lowest temperatures, with averages ranging from a high of 55°F (12.8°C) to a low of 41.7°F (5.4°C). Weather in December »
Updated: Aug 5, 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
What is the most humid month?
With an average relative humidity of 74%, January is the most humid month.
How many days does it rain?
In Byron, California, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.
When it does not snow?
January through November are months without snowfall.
How many days does it snow?
In Byron, during the entire year, snow falls for 0.1 days.
What is the month with the lowest UV index in Byron?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month?
The month with the most rainfall is February, when the rain falls for 7.8 days and typically aggregates up to 2.09" (53mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?
With an average of 14h and 42min of daylight, June has the longest days of the year in Byron.
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 6.
What part of the year is the hottest?
The temperatures reach their highest averages in July, with highs of 88.5°F (31.4°C) and lows of 56.5°F (13.6°C).
What is the driest month?
July and August are months with the least rain in Byron when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What is the least humid month?
The least humid month in Byron is September, with an average relative humidity of 52%.
What is the coldest time of year?
The coldest period is December, when temperatures fluctuate between an average high of 55°F (12.8°C) and a low of 41.7°F (5.4°C).
When does it snow?
The only month with snowfall is December.
What is the snowiest month?
The month with the most snowfall days is December, when snow falls for 0.1 days.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
With an average of 5.8h of sunshine, December has the least sunshine of the year in Byron.
Average temperature
Byron, CA
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
Byron, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Byron, CA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
5.5mph - Average wind speed in November:
4.5mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity
Byron, CA
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall
Byron, CA
- Average rainfall in January:
1.89" - Average rainfall in February:
2.09" - Average rainfall in March:
1.77" - Average rainfall in April:
0.55" - Average rainfall in May:
0.43" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.51" - Average rainfall in November:
1.1" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Byron, CA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
6.3 days - Average rainfall days in May:
4 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
1.3 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days
Byron, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 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:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Byron, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 0min - 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Byron, CA
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
22.8 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
29.7 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
28.5 days - Average sunshine days in October:
26.9 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index
Byron, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Byron, CA
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
Byron, 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).
Byron, California, USA
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