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Population Review

Climate normals · 1970–2000

Mission Viejo Climate

Mission Viejo is a city in United States (CA) with a population of about 97,156. Its average annual temperature is 17.6°C (64°F), with roughly 349 mm of rain per year.

17.6°C

Avg Temp

349

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month


Mission Viejo Climate

Mission Viejo has an average annual temperature of 17.6°C (64°F) and receives about 349 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.

17.6°C

Avg Temp

349

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month

0°10°20°30°72mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Mission Viejo — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January13° / 56°72 mm
February14° / 57°72 mm
March14° / 58°69 mm
April16° / 61°22 mm
May18° / 64°6 mm
June20° / 68°2 mm
July22° / 72°1 mm
August23° / 73°3 mm
September22° / 72°9 mm
October20° / 67°9 mm
November16° / 60°35 mm
December13° / 56°49 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Mission Viejo

The most comfortable months to visit Mission Viejo are typically June, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 29°C high). The coldest is January (near 7°C low). January is usually the wettest month.

JuneJulySeptember

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Frequently Asked Questions

The most comfortable months to visit Mission Viejo are typically June, July and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Mission Viejo, United States has an average annual temperature of 17.6°C and about 349 mm of precipitation per year. The warmest month is August and the coldest is January.

In August, the hottest month, daily highs in Mission Viejo average about 29°C (84°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.