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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 in Arnold, California, is a cool winter month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 50.7°F (10.4°C). Arnold signifies an average high-temperature of a cool 50.7°F (10.4°C) in January, closely mirroring the 48°F (8.9°C) of December. Weather in January »
Weather in February
February, the last month of the winter in Arnold, is another cool month, with an average temperature ranging between max 50°F (10°C) and min 33.3°F (0.7°C). Upon the beginning of February, Arnold's high-temperatures register at a still fresh 50°F (10°C), closely mirroring the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Arnold, is also a fresh month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 52.2°F (11.2°C). The beginning of March reveals an average high-temperature of a still fresh 52.2°F (11.2°C), showing minimal deviation from the previous month. Weather in March »
Weather in April
April is a refreshing spring month in Arnold, California, with an average temperature ranging between min 38.5°F (3.6°C) and max 58.8°F (14.9°C). April's arrival coincides with a subtle temperature rise, moving from March's cool 52.2°F (11.2°C) to a moderate 58.8°F (14.9°C). Weather in April »
Weather in May
May, the last month of the spring in Arnold, is a comfortable month, with an average temperature fluctuating between 44.1°F (6.7°C) and 66.6°F (19.2°C). With the onset of May, Arnold's average high-temperature experiences a slight rise, moving from April's moderate 58.8°F (14.9°C) to a still refreshing 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Arnold, California, with an average temperature varying between 78.1°F (25.6°C) and 52°F (11.1°C). In Arnold, stepping into June brings a temperature increase, moving up from May's enjoyable 66.6°F (19.2°C) to a warm 78.1°F (25.6°C). Weather in June »
Weather in July
July, like June, in Arnold, California, is a moderately hot summer month, with an average temperature fluctuating between 57.2°F (14°C) and 85.8°F (29.9°C). In Arnold, California, July is identified by the highest average temperatures, reaching a peak of 85.8°F (29.9°C) and a low of 57.2°F (14°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Arnold, California, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 56.8°F (13.8°C). Arnold's weather in August displays an average high-temperature of a still warm 84.9°F (29.4°C), showing minor disparity from July's 85.8°F (29.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Arnold, California, with an average temperature varying between 79.3°F (26.3°C) and 53.4°F (11.9°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 84.9°F (29.4°C) in August to a still warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Arnold, California, with an average temperature ranging between max 67.5°F (19.7°C) and min 46.2°F (7.9°C). The arrival of October indicates a decrease in the average high-temperature, moving from a warm 79.3°F (26.3°C) in September to an enjoyable 67.5°F (19.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Arnold, California, with an average temperature ranging between min 38.3°F (3.5°C) and max 56.3°F (13.5°C). November's onset brings a slight change in high-temperatures, falling from 67.5°F (19.7°C) in October to a still refreshing 56.3°F (13.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Arnold, California, with an average temperature fluctuating between 48°F (8.9°C) and 32°F (0°C). December proves to be the coldest month, recording an average maximum temperature of 48°F (8.9°C) and a minimum temperature of 32°F (0°C). Weather in December »
Updated: Jul 7, 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 Arnold?
In Arnold, during the entire year, the rain falls for 69 days and collects up to 29.09" (739mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In Arnold, during the entire year, snow falls for 31 days and aggregates up to 79.92" (2030mm) of snow.
What is the month with the lowest UV index?
February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
With an average relative humidity of 74%, March is the most humid month.
What is the rainiest month?
The month with the most rainfall is March, when the rain falls for 11.3 days and typically aggregates up to 5.98" (152mm) of precipitation.
When does it snow the most?
The month with the most snowfall in Arnold is March, when snow falls for 7.2 days and typically aggregates up to 21.34" (542mm) of snow.
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 it does not snow?
In Arnold, snow does not fall in June through September.
When are the longest days in Arnold?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What are the months 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 month is the hottest?
July, characterized by an average high temperature of 85.8°F (29.9°C) and a low temperature of 57.2°F (14°C), is generally the warmest month.
What is the least humid month?
The least humid month is July, with an average relative humidity of 36%.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 1.8 days and accumulates 0.08" (2mm) of rain.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.2h of sunshine.
What is the coldest month?
Arnold's coldest temperatures are experienced in December, with average high temperatures of 48°F (8.9°C) and lows of 32°F (0°C).
What is the month with the shortest days in Arnold?
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 6h of sunshine, December has the least sunshine of the year.
Average temperature
Arnold, CA
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (48°F).
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (32°F).
Average pressure
Arnold, 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:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.93"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 (29.91"Hg).
Average wind speed
Arnold, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6.1mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5.6mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.7mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Arnold, CA
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (36%).
Average rainfall
Arnold, CA
- Average rainfall in January:
4.33" - Average rainfall in February:
5.28" - Average rainfall in March:
5.98" - Average rainfall in April:
2.48" - Average rainfall in May:
1.65" - Average rainfall in June:
0.31"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.2" - Average rainfall in October:
0.87" - Average rainfall in November:
3.07" - Average rainfall in December:
4.76"
The wettest month (with the highest rainfall) is March (5.98").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days
Arnold, CA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
7 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
9.2 days - Average rainfall days in May:
7 days - Average rainfall days in June:
2.8 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
1.6 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
4 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (1.6 days).
Average snowfall
Arnold, CA
- Average snowfall in January:
11.69" - Average snowfall in February:
19.13" - Average snowfall in March:
21.34" - Average snowfall in April:
7.56" - Average snowfall in May:
1.57" - Average snowfall in June:
0"
The month with the highest snowfall is March (21.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arnold, CA
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.9 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:
0.1 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is March (7.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Arnold, 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 2min - Average daylight in June:
14h and 5min
- 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 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Arnold, CA
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
22.1 days - Average sunshine days in June:
26.1 days
- Average sunshine days in July:
26.8 days - Average sunshine days in August:
27.9 days - Average sunshine days in September:
26.2 days - Average sunshine days in October:
26.5 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is March (14.5 days).
Average UV index
Arnold, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover
Arnold, CA
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
Arnold, 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).