Expand
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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The calm waters on Lake Mission Viejo, California,
Weather in January
January, like December, in Mission Viejo, California, is another enjoyable winter month, with an average temperature fluctuating between 65.5°F (18.6°C) and 49.6°F (9.8°C). The shift into January finds Mission Viejo at an average high-temperature of a still enjoyable 65.5°F (18.6°C), closely comparable to December's conditions. Weather in January »
Weather in February
The last month of the winter, February, is also an enjoyable month in Mission Viejo, California, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 48.7°F (9.3°C). A minimal variation is noted in Mission Viejo's average high-temperature at the onset of February, reaching a still enjoyable 64°F (17.8°C) from January's 65.5°F (18.6°C). Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Mission Viejo, California, with an average temperature fluctuating between 66.2°F (19°C) and 50.4°F (10.2°C). During March, Mission Viejo observes a subtle ascent to a still enjoyable 66.2°F (19°C) from February's 64°F (17.8°C) in the average high-temperature. Weather in March »
Weather in April
April in Mission Viejo, California, is an agreeable spring month, with an average temperature ranging between max 68.5°F (20.3°C) and min 52.5°F (11.4°C). April's onset records an average high-temperature of a pleasant 68.5°F (20.3°C), a near match to March's 66.2°F (19°C). Weather in April »
Weather in May
May, the last month of the spring in Mission Viejo, is another pleasant month, with an average temperature varying between 70.2°F (21.2°C) and 55.2°F (12.9°C). May observes an average high-temperature of a still pleasant 70.2°F (21.2°C), marking an insignificant difference from April's 68.5°F (20.3°C). Weather in May »
Weather in June
June, the first month of the summer in Mission Viejo, is a warm month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 57.4°F (14.1°C). An average high-temperature of a moderately hot 74.1°F (23.4°C) marks June, exhibiting a close resemblance to the conditions in May. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mission Viejo, California, with an average temperature ranging between min 62.4°F (16.9°C) and max 79°F (26.1°C). As Mission Viejo welcomes July, the average high-temperature records at a still moderately hot 79°F (26.1°C), marking an insignificant deviation from the prior month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Mission Viejo, California, with an average temperature varying between 64°F (17.8°C) and 80.8°F (27.1°C). Mission Viejo's warmest month, August, generally records average temperatures ranging from a high of 80.8°F (27.1°C) to a low of 64°F (17.8°C). For most parts of August, the heat index is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mission Viejo, California, with an average temperature varying between 63.3°F (17.4°C) and 79.7°F (26.5°C). The arrival of September brings an average high-temperature of a still moderately hot 79.7°F (26.5°C), subtly diverging from August's 80.8°F (27.1°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Mission Viejo, California, with an average temperature fluctuating between 75.2°F (24°C) and 60.1°F (15.6°C). The shift from September to October is characterized by an average high-temperature of a still moderately hot 75.2°F (24°C), not significantly different from the 79.7°F (26.5°C) of September. Weather in October »
Weather in November
November, the last month of the autumn in Mission Viejo, is also an agreeable month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 54.7°F (12.6°C). The beginning of November subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 75.2°F (24°C) in October to an agreeable 69.3°F (20.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Mission Viejo, California, with an average temperature varying between 49.8°F (9.9°C) and 63°F (17.2°C). December is the coldest month, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 49.8°F (9.9°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Mission Viejo?
In Mission Viejo, during the entire year, the rain falls for 64.1 days and collects up to 5.67" (144mm) of precipitation.
What is the month with the lowest UV index in Mission Viejo?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in Mission Viejo?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mission Viejo, California, 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.
What are the most humid months in Mission Viejo?
May and June, with an average relative humidity of 70%, are most humid months.
What is the driest month in Mission Viejo?
The month with the least rainfall in Mission Viejo is June, when the rain falls for 2.3 days and typically collects 0.08" (2mm) of precipitation.
When are the longest days in Mission Viejo?
The month with the longest days in Mission Viejo, California, is June, with an average of 14h and 18min of daylight.
What are the months with the highest UV index in Mission Viejo?
June through September, with an average maximum UV index of 6, are months with the highest UV index in Mission Viejo, California.
What are the months with the most sunshine in Mission Viejo?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
What is the hottest time of year in Mission Viejo?
August is the month when Mission Viejo experiences its warmest temperatures, averaging a high of 80.8°F (27.1°C) and a low of 64°F (17.8°C).
What is the least humid month in Mission Viejo?
The least humid month is November, with an average relative humidity of 56%.
What is the coldest month in Mission Viejo?
Mission Viejo, California, reaches its average lowest temperatures in December, measuring 63°F (17.2°C) at the peak and 49.8°F (9.9°C) at the lowest.
What is the rainiest month in Mission Viejo?
The month with the most rainfall is December, when the rain falls for 6.7 days and typically aggregates up to 0.98" (25mm) of precipitation.
What is the month with the shortest days in Mission Viejo?
December has the shortest days of the year in Mission Viejo, California, with an average of 10h and 0min of daylight.
What is the month with the least sunshine in Mission Viejo?
December has the least sunshine of the year, with an average of 6.6h of sunshine.
Average temperature
Mission Viejo, CA
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63°F).
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure
Mission Viejo, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed
Mission Viejo, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.3mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.6mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Mission Viejo, CA
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall
Mission Viejo, CA
- Average rainfall in January:
0.63" - Average rainfall in February:
0.67" - Average rainfall in March:
0.67" - Average rainfall in April:
0.39" - Average rainfall in May:
0.35" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.35" - Average rainfall in September:
0.24" - Average rainfall in October:
0.35" - Average rainfall in November:
0.55" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Mission Viejo, CA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
7 days - Average rainfall days in May:
5.8 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
5.1 days - Average rainfall days in August:
3.1 days - Average rainfall days in September:
4.4 days - Average rainfall days in October:
4.7 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.3 days).
Average daylight / Average sunshine
Mission Viejo, CA
- Average daylight in January:
10h and 1min - 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 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - 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:
6h and 4min - Average sunshine in February:
6h and 4min - Average sunshine in March:
8h and 3min - Average sunshine in April:
10h and 4min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 3min - Average sunshine in October:
8h and 2min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Mission Viejo, CA
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
20.4 days - Average sunshine days in April:
20.2 days - Average sunshine days in May:
19.5 days - Average sunshine days in June:
22.3 days
- Average sunshine days in July:
22.7 days - Average sunshine days in August:
24.4 days - Average sunshine days in September:
22.1 days - Average sunshine days in October:
23.6 days - Average sunshine days in November:
22.9 days - Average sunshine days in December:
22.6 days
The months with the most sunshine days are January and August (24.4 days).
The month with the least sunshine days is May (19.5 days).
Average UV index
Mission Viejo, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Mission Viejo, CA
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Mission Viejo, 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).
Mission Viejo, California, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
