Climate and monthly weather forecastHoltville, CA
Climate and monthly weather forecast
Weather in January
January in Holtville, California, is a pleasant winter month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 50°F (10°C). The average high-temperature during January registers at a pleasant 69.1°F (20.6°C), maintaining a close resemblance to the previous month. Weather in January »Weather in February
February, the last month of the winter in Holtville, is another pleasant month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 52.5°F (11.4°C). In the transition from January to February, Holtville reports an average high-temperature of a still agreeable 72.3°F (22.4°C), indicating a close resemblance to the prior month. Weather in February »Weather in March
The first month of the spring, March, is a moderately hot month in Holtville, California, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 79.7°F (26.5°C). With the onset of March, Holtville experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 72.3°F (22.4°C) in February to a warm 79.7°F (26.5°C). Weather in March »Weather in April
April in Holtville, California, is a hot spring month, with an average temperature varying between 86.7°F (30.4°C) and 61.2°F (16.2°C). The start of April brings a subtle rise in the average high-temperature, moving from a moderately hot 79.7°F (26.5°C) in March to a hot 86.7°F (30.4°C). Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Holtville, California, with an average temperature fluctuating between 93.2°F (34°C) and 67.3°F (19.6°C). With the onset of May, Holtville experiences a subtle temperature shift, with the average high-temperature moving from a tropical 86.7°F (30.4°C) in April to a still hot 93.2°F (34°C). Weather in May »Weather in June
The first month of the summer, June, is an extremely hot month in Holtville, California, with an average temperature fluctuating between 104.4°F (40.2°C) and 75.6°F (24.2°C). June's onset brings a temperature rise, moving from a tropical 93.2°F (34°C) in May to a blistering 104.4°F (40.2°C). Weather in June »Weather in July
July, like June, is an extremely hot summer month in Holtville, California, with an average temperature varying between 107.2°F (41.8°C) and 84.4°F (29.1°C). July, with its average high-temperature of 107.2°F (41.8°C) and an average low-temperature of 84.4°F (29.1°C), holds the record as the warmest month. In Holtville, the average relative humidity in July is 25%. Weather in July »Weather in August
The last month of the summer, August, is another extremely hot month in Holtville, California, with an average temperature ranging between max 106.5°F (41.4°C) and min 85.6°F (29.8°C). Stepping into August, Holtville records an average high-temperature of a still scorching 106.5°F (41.4°C), almost consistent with July. Weather in August »Weather in September
September, the first month of the autumn in Holtville, is still a very hot month, with an average temperature varying between 80.1°F (26.7°C) and 99.9°F (37.7°C). September marks a gentle change in average high-temperature, declining from August's extremely hot 106.5°F (41.4°C) to a torrid 99.9°F (37.7°C). Weather in September »Weather in October
October, like September, is a hot autumn month in Holtville, California, with an average temperature varying between 69.1°F (20.6°C) and 88.3°F (31.3°C). October's arrival corresponds with a decrease in average high-temperatures, from September's torrid 99.9°F (37.7°C) to a hot 88.3°F (31.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Holtville, California, with an average temperature varying between 77.2°F (25.1°C) and 58.3°F (14.6°C). November comes with a drop in the average high-temperature, falling from October's tropical 88.3°F (31.3°C) to a warm 77.2°F (25.1°C). Weather in November »Weather in December
The first month of the winter, December, is also an enjoyable month in Holtville, California, with an average temperature ranging between max 67.3°F (19.6°C) and min 50.4°F (10.2°C). The coldest time of the year is December, with temperatures averaging a high of 67.3°F (19.6°C) and a low of 50.4°F (10.2°C). Weather in December »Updated: Feb 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
In Holtville, during the entire year, the rain falls for 29.5 days and collects up to 2.99" (76mm) of precipitation.
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.
May is the month with the least rainfall in Holtville, California. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.
With an average relative humidity of 21%, June is the least humid month in Holtville, California.
The month with the longest days is June, with an average of 14h and 18min of daylight.
With an average of 12.2h of sunshine, June has the most sunshine of the year.
Temperature records mark July as the warmest month, with highs averaging 107.2°F (41.8°C) and lows at 84.4°F (29.1°C).
The month with the most rainfall in Holtville is July, when the rain falls for 6.3 days and typically aggregates up to 0.55" (14mm) of precipitation.
July and August, with an average maximum UV index of 9, are months with the highest UV index.
Temperature readings in Holtville reach their annual highs in December, averaging 67.3°F (19.6°C) and a minimum average of 50.4°F (10.2°C).
With an average relative humidity of 39%, December is the most humid month in Holtville.
With an average of 10h and 0min of daylight, December has the shortest days of the year.
December has the least sunshine of the year in Holtville, California, with an average of 7.1h of sunshine.
The month with the lowest UV index is December, with an average maximum UV index of 4.
Average temperature
Holtville, CA
The warmest month (with the highest average high temperature) is July (107.2°F).
The month with the lowest average high temperature is December (67.3°F).
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (50°F).
Average pressure
Holtville, CA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.83"Hg - Average pressure in June:
29.77"Hg
- Average pressure in July:
29.81"Hg - Average pressure in August:
29.8"Hg - Average pressure in September:
29.81"Hg - Average pressure in October:
29.88"Hg - Average pressure in November:
29.99"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed
Holtville, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6.1mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.7mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
6.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are January and August (5.5mph).
Average humidity
Holtville, CA
The month with the highest relative humidity is December (39%).
The month with the lowest relative humidity is June (21%).
Average rainfall
Holtville, CA
- Average rainfall in January:
0.28" - Average rainfall in February:
0.2" - Average rainfall in March:
0.24" - Average rainfall in April:
0.2" - Average rainfall in May:
0.04" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.43" - Average rainfall in September:
0.39" - Average rainfall in October:
0.2" - Average rainfall in November:
0.16" - Average rainfall in December:
0.24"
The wettest month (with the highest rainfall) is July (0.55").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days
Holtville, CA
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
2 days - Average rainfall days in March:
1.8 days - Average rainfall days in April:
1.6 days - Average rainfall days in May:
0.9 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
6.3 days - Average rainfall days in August:
4.1 days - Average rainfall days in September:
4.2 days - Average rainfall days in October:
1.6 days - Average rainfall days in November:
1.5 days - Average rainfall days in December:
2.1 days
The month with the highest number of rainy days is July (6.3 days).
The month with the least rainy days is May (0.9 days).
Average daylight / Average sunshine
Holtville, CA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
7h and 18min - Average sunshine in March:
9h and 6min - Average sunshine in April:
11h and 42min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 12min - Average sunshine in October:
9h and 48min - Average sunshine in November:
7h and 30min - Average sunshine in December:
7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Holtville, CA
- Average sunshine days in January:
28 days - Average sunshine days in February:
26.1 days - Average sunshine days in March:
29.2 days - Average sunshine days in April:
28.3 days - Average sunshine days in May:
29.9 days - Average sunshine days in June:
28.7 days
- Average sunshine days in July:
21.8 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
24.4 days - Average sunshine days in October:
28.5 days - Average sunshine days in November:
28.4 days - Average sunshine days in December:
28.5 days
The month with the most sunshine days is May (29.9 days).
The month with the least sunshine days is July (21.8 days).
Average UV index
Holtville, CA
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Holtville, CA
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility
Holtville, 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).
