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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, the same as December, in Round Mountain, California, is a frosty winter month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 45.1°F (7.3°C). Entering January, Round Mountain's average high-temperature reads a still chilly 45.1°F (7.3°C), indicating a close resemblance to the previous month's climate. Weather in January »
Weather in February
February, the last month of the winter in Round Mountain, is also a frosty month, with an average temperature varying between 30°F (-1.1°C) and 46.8°F (8.2°C). The advent of February denotes an average high-temperature of a still chilly 46.8°F (8.2°C), subtly different from January's 45.1°F (7.3°C). Weather in February »
Weather in March
March, the first month of the spring in Round Mountain, is also a frosty month, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 31.6°F (-0.2°C). The average high-temperature for March is a still chilly 49.3°F (9.6°C), closely aligning with the temperature of the preceding month. Weather in March »
Weather in April
April is a refreshing spring month in Round Mountain, California, with an average temperature ranging between max 57.7°F (14.3°C) and min 35.1°F (1.7°C). With the onset of April, the average high-temperature subtly transitions from a frosty 49.3°F (9.6°C) in March to a mild 57.7°F (14.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Round Mountain, California, with an average temperature varying between 66.9°F (19.4°C) and 40.6°F (4.8°C). Round Mountain in May experiences an increase in the average high-temperature, moving from April's mild 57.7°F (14.3°C) to a still refreshing 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Round Mountain, California, with an average temperature ranging between max 77.4°F (25.2°C) and min 47.8°F (8.8°C). Round Mountain's weather in June presents a rise in the average high-temperature, moving from a refreshing 66.9°F (19.4°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »
Weather in July
July is a hot summer month in Round Mountain, California, with an average temperature fluctuating between 86.7°F (30.4°C) and 53.1°F (11.7°C). With its high average temperature of 86.7°F (30.4°C) and a low of 53.1°F (11.7°C), July is regarded as the warmest month. In July, the average heat index is evaluated at a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Round Mountain, California, with an average temperature ranging between min 52.3°F (11.3°C) and max 85.8°F (29.9°C). Shifting into August, Round Mountain records an average high-temperature of a moderately hot 85.8°F (29.9°C), presenting minor fluctuations compared to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Round Mountain, is still a warm month, with an average temperature ranging between max 78.8°F (26°C) and min 48°F (8.9°C). September sees a slight reduction in average high-temperature, with a shift from a warm 85.8°F (29.9°C) in August to a still moderately hot 78.8°F (26°C). Weather in September »
Weather in October
October, like September, in Round Mountain, California, is another refreshing autumn month, with an average temperature varying between 65.5°F (18.6°C) and 40.1°F (4.5°C). October shows a mild decline in the average high-temperature, falling from September's warm 78.8°F (26°C) to an enjoyable 65.5°F (18.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Round Mountain, is also a fresh month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 32.7°F (0.4°C). The arrival of November indicates a decrease in the average high-temperature, moving from an enjoyable 65.5°F (18.6°C) in October to a cool 52.7°F (11.5°C). Weather in November »
Weather in December
December, the first month of the winter in Round Mountain, is still a chilly month, with an average temperature varying between 27.9°F (-2.3°C) and 43.3°F (6.3°C). Round Mountain's coldest temperatures are experienced in December, with average high temperatures of 43.3°F (6.3°C) and lows of 27.9°F (-2.3°C). Weather in December »
Updated: Jul 20, 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?
The months with the highest humidity are January and March, with an average relative humidity of 79%.
How many days does it rain?
In Round Mountain, during the entire year, the rain falls for 105 days and collects up to 24.69" (627mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 36.7 snowfall days, and 43.62" (1108mm) of snow is accumulated.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the rainiest month in Round Mountain?
March is the month with the most rainfall. Rain falls for 14.2 days and accumulates 4.45" (113mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 8 days and typically aggregates up to 10.43" (265mm) of snow.
When is Daylight Saving Time (DST) in Round Mountain?
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?
June through September are months without snowfall in Round Mountain, California.
When are the longest days?
June has the longest days of the year in Round Mountain, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
The months with the highest UV index in Round Mountain are June and July, with an average maximum UV index of 6.
What are the warmest months in Round Mountain?
During the warmest month in Round Mountain, July, temperatures average a high of 86.7°F (30.4°C) and a low of 53.1°F (11.7°C).
What is the least humid month?
July and August, with an average relative humidity of 40%, are the least humid months.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 3.2 days and typically collects 0.16" (4mm) of precipitation.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What month is the coldest?
With its average high temperature of 43.3°F (6.3°C) and a low of 27.9°F (-2.3°C), December is regarded as the coldest month.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 5.7h of sunshine.
Average temperature
Round Mountain, CA
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (43.3°F).
The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure
Round Mountain, CA
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed
Round Mountain, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.4mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5.1mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Round Mountain, CA
The months with the highest relative humidity are January and March (79%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall
Round Mountain, CA
- Average rainfall in January:
3.74" - Average rainfall in February:
3.62" - Average rainfall in March:
4.45" - Average rainfall in April:
1.97" - Average rainfall in May:
2.2" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.28" - Average rainfall in September:
0.39" - Average rainfall in October:
1.1" - Average rainfall in November:
2.01" - Average rainfall in December:
4.21"
The wettest month (with the highest rainfall) is March (4.45").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Round Mountain, CA
- Average rainfall days in January:
11.2 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
11.5 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.2 days - Average rainfall days in August:
2.3 days - Average rainfall days in September:
4.1 days - Average rainfall days in October:
6.5 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is August (2.3 days).
Average snowfall
Round Mountain, CA
- Average snowfall in January:
10.35" - Average snowfall in February:
9.49" - Average snowfall in March:
10.43" - Average snowfall in April:
1.85" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (10.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Round Mountain, CA
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
8 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.4 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:
3.7 days - Average snowfall days in December:
7.5 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Round Mountain, CA
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - 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:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 3min - 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 4min
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 42min).
Average sunshine days
Round Mountain, CA
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
22.4 days
- Average sunshine days in July:
25.5 days - Average sunshine days in August:
26 days - Average sunshine days in September:
24.7 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.3 days).
Average UV index
Round Mountain, CA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Round Mountain, CA
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility
Round Mountain, CA
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).