Skip to main content
Population Review

Climate normals · 1970–2000

Pomona Climate

Pomona is a city in United States (CA) with a population of about 153,266. Its average annual temperature is 17.8°C (64°F), with roughly 426 mm of rain per year.

17.8°C

Avg Temp

426

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month


Pomona Climate

Pomona has an average annual temperature of 17.8°C (64°F) and receives about 426 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.

17.8°C

Avg Temp

426

Precip (mm/yr)

Aug

Hottest Month

Jan

Coldest Month

0°10°20°30°91mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Pomona — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January12° / 54°88 mm
February13° / 56°91 mm
March14° / 57°78 mm
April16° / 61°30 mm
May18° / 65°5 mm
June21° / 70°1 mm
July24° / 75°1 mm
August24° / 76°3 mm
September23° / 73°9 mm
October20° / 67°12 mm
November15° / 59°49 mm
December12° / 54°59 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 Pomona

The most comfortable months to visit Pomona are typically June, October and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 32°C high). The coldest is January (near 6°C low). February is usually the wettest month.

JuneOctoberSeptember

Where to stay near Pomona

Planning a trip to Pomona? Compare hotels and short-term rentals — live availability and prices.

Top-rated places to stay near Pomona

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip to Pomona?

Get climate tips and the best lodging deals for Pomona by email. No spam, unsubscribe anytime.

Other cities in United States

All United States city climates →

Frequently Asked Questions

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

Pomona, United States has an average annual temperature of 17.8°C and about 426 mm of precipitation per year. The warmest month is August and the coldest is January.

In August, the hottest month, daily highs in Pomona average about 32°C (90°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.