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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
Weather in January
January, like December, in Penryn, California, is a cool winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 55°F (12.8°C). Penryn's transition from December to January introduces an average high-temperature of a still fresh 55°F (12.8°C), marking an insignificant variation from the 53.4°F (11.9°C). Weather in January »
Weather in February
The last month of the winter, February, is a moderate month in Penryn, California, with an average temperature fluctuating between 56.5°F (13.6°C) and 39.7°F (4.3°C). February's onset records a minor alteration in the average high-temperature to a mild 56.5°F (13.6°C) from January's 55°F (12.8°C). Weather in February »
Weather in March
March, the first month of the spring in Penryn, is still a mild month, with an average temperature ranging between max 58.8°F (14.9°C) and min 41.9°F (5.5°C). With March's arrival, Penryn notes an average high-temperature of a still mild 58.8°F (14.9°C), closely following the trend of the preceding month. Weather in March »
Weather in April
April is an enjoyable spring month in Penryn, California, with an average temperature ranging between max 65.8°F (18.8°C) and min 45.1°F (7.3°C). Penryn's April weather indicates a minor ascent in high-temperatures, adjusting from a moderate 58.8°F (14.9°C) in March to a comfortable 65.8°F (18.8°C). Weather in April »
Weather in May
May, the last month of the spring in Penryn, is a warm month, with an average temperature varying between 49.6°F (9.8°C) and 73.8°F (23.2°C). With the beginning of May, Penryn's average high-temperature sees a minor increase, transitioning from a comfortable 65.8°F (18.8°C) in April to a moderately hot 73.8°F (23.2°C). Weather in May »
Weather in June
June, the first month of the summer in Penryn, is still a warm month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 84.6°F (29.2°C). As June arrives, a rise in the average high-temperature is observed, moving from 73.8°F (23.2°C) in May to a still warm 84.6°F (29.2°C). Weather in June »
Weather in July
July is a hot summer month in Penryn, California, with an average temperature ranging between min 60.6°F (15.9°C) and max 91.9°F (33.3°C). Penryn notes the warmest temperatures in July, with a high average of 91.9°F (33.3°C) and a low of 60.6°F (15.9°C). Weather in July »
Weather in August
August, the last month of the summer in Penryn, is another tropical month, with an average temperature fluctuating between 60.3°F (15.7°C) and 91°F (32.8°C). The average high-temperature during August is a still hot 91°F (32.8°C), almost matching the conditions of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Penryn, is still a warm month, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 58.1°F (14.5°C). The advent of September observes an average high-temperature of a moderately hot 85.8°F (29.9°C), nearly identical to August's 91°F (32.8°C). Weather in September »
Weather in October
October, like September, in Penryn, California, is another warm autumn month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 73.6°F (23.1°C). The beginning of October marks a decrease in the average high-temperature, transitioning from 85.8°F (29.9°C) in September to a still warm 73.6°F (23.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Penryn, is also an enjoyable month, with an average temperature fluctuating between 61.3°F (16.3°C) and 44.4°F (6.9°C). Arrival of November comes with a reduction in the average high-temperature, falling from a warm 73.6°F (23.1°C) in October to a refreshing 61.3°F (16.3°C). Weather in November »
Weather in December
December, the first month of the winter in Penryn, is also a fresh month, with an average temperature ranging between min 39.2°F (4°C) and max 53.4°F (11.9°C). December tends to be the coldest month, with temperatures averaging a daily high of 53.4°F (11.9°C) and a low of 39.2°F (4°C). Weather in December »
Updated: Aug 18, 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 Penryn?
In Penryn, during the entire year, the rain falls for 84.8 days and collects up to 28.86" (733mm) of precipitation.
When it does not snow?
January, April through November are months without snowfall.
How much does it snow?
In Penryn, California, during the entire year, snow aggregates up to 2.09" (53mm).
What are the months with the least sunshine?
January and December, with an average of 5.8h of sunshine, are months with the least sunshine.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
When does it snow?
Months with snowfall are February, March and December.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 0.6 days and typically aggregates up to 1.18" (30mm) of snow.
What is the most humid month?
March is the most humid month in Penryn, with an average relative humidity of 75%.
What is the rainiest month?
The month with the most rainfall is March, when the rain falls for 15.4 days and typically aggregates up to 5.63" (143mm) 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?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 7, are months with the highest UV index.
What is the warmest month?
Penryn experiences its average highest temperatures in July, reaching a peak of 91.9°F (33.3°C) and a minimum of 60.6°F (15.9°C).
What is the least humid month?
With an average relative humidity of 38%, July is the least humid month.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine?
With an average of 12.1h of sunshine, July has the most sunshine of the year.
What is the coldest month?
December is the month that records the lowest temperatures, with averages ranging from a high of 53.4°F (11.9°C) to a low of 39.2°F (4°C).
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Penryn, CA
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure
Penryn, 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:
29.92"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
Penryn, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.7mph - Average wind speed in April:
5.4mph - Average wind speed in May:
5.2mph - Average wind speed in June:
4.9mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.6mph - Average wind speed in October:
4.9mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.9mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Penryn, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall
Penryn, CA
- Average rainfall in January:
4.45" - Average rainfall in February:
5.16" - Average rainfall in March:
5.63" - Average rainfall in April:
2.2" - Average rainfall in May:
1.57" - Average rainfall in June:
0.24"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.24" - Average rainfall in October:
1.34" - Average rainfall in November:
3.27" - Average rainfall in December:
4.69"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Penryn, CA
- Average rainfall days in January:
10.6 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
6.8 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
1.1 days - Average rainfall days in September:
2.4 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall
Penryn, CA
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days
Penryn, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.6 days - Average snowfall days in March:
0.3 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:
0.3 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Penryn, 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 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 1min - Average daylight in December:
9h and 3min
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 30min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 5min - Average sunshine in May:
10h and 5min - 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 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days
Penryn, CA
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
17.6 days - Average sunshine days in May:
23.2 days - Average sunshine days in June:
26.8 days
- Average sunshine days in July:
29.6 days - Average sunshine days in August:
29.3 days - Average sunshine days in September:
27.3 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
21.1 days - Average sunshine days in December:
18.7 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index
Penryn, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Penryn, CA
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Penryn, 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).
Penryn, California, USA
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