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CheckWeather USPomonaBest time to visit

The best time to visit Pomona

Month-by-month climate averages for Pomona, CA, so you can pick your dates on data rather than guesswork.

Short answer

The most comfortable time to visit Pomona is usually January, March, April and May, when daytime highs sit in the pleasant 60-78°F range and the heaviest February rain is behind you.

Pomona is warmest in July (highs near 94°F) and coldest in February (lows around 44°F), with roughly 31 inches of precipitation across the year and February the wettest month. The sweet spot for most visitors is January, March, April and May.

These are long-run averages. For the actual days you are travelling, check the live Pomona forecast — and note how much the models agree, because that tells you how much to trust it.

Pomona weather by month

what to expect in Pomona through the year

Here is Pomona's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Pomona by season.

Jan
60°
45°
Mild
Feb
61°
44°
Mild
Wettest
Mar
62°
46°
Mild
Apr
72°
49°
Warm
May
75°
53°
Warm
Jun
82°
57°
Warm
Jul
94°
63°
Hot
Aug
93°
64°
Hot
Sep
87°
62°
Hot
Oct
84°
58°
Warm
Nov
73°
50°
Warm
Dec
68°
48°
Mild

Common questions

When is the best time to visit Pomona?
The most comfortable time to visit Pomona is usually January, March, April and May, when daytime highs sit in the pleasant 60-78°F range and the heaviest February rain is behind you.
What is the warmest month in Pomona?
July is the warmest month in Pomona, averaging highs near 94°F.
What is the coldest month in Pomona?
February is the coldest month in Pomona, with lows around 44°F.
When is the rainy season in Pomona?
The wettest month in Pomona is usually February, out of roughly 31 inches of precipitation across the year.

Pomona month by month