Climate of Petaluma

Petaluma has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for Petaluma is 19° degrees and there is about 369 mm of rain in a year. It is dry for 280 days a year with an average humidity of 71% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 13°C and 25°C
Night:the average nighttime temperature is between 6°C and 13°C
Rain: it rains 69 days and there is a total of approximately 369 mm rainfall
Sun hours: throughout the year there are 3263 sun hours

Maximum temperature:	between 13°C and 25°C
Warmest month:	25°C in July
Coldest month:	13°C in December
Night temperature:	between 6°C and 13°C
Dry days:	296 days
Days with rain:	69 days
Days with snow:	0 days
Total rain sum:	369 mm
Hours of sunshine:	3263 hours

Climate of Petaluma
Temperature graph
Precipitation graph
Climate chart of Petaluma
The best travel time for Petaluma
Climate of Petaluma by month
Experiences with the weather of Petaluma

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Petaluma.

Precipitation graph

This graph shows the average amount of rainfall per month for Petaluma.

Climate table of Petaluma

In this climate table you can see at a glance what the average weather per month is for Petaluma. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Petaluma might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	14	14	16	18	20	23	25	25	25	22	17	13
Night temp. (°C)	6	7	7	8	9	12	12	13	13	12	8	6
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	68	97	62	17	8	5	1	1	2	21	35	52
Days with rain	9	9	12	7	4	2	1	1	2	5	7	10
Dry days	22	19	19	23	27	28	30	30	28	26	23	21
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	6	6	8	11	11	12	12	12	11	7	6	6
Wind force (Bft)	2	2	2	3	3	2	2	2	2	2	2	2
UV-index	3	3	4	5	4	5	5	5	5	4	3	3

Best time to visit Petaluma

The best time to visit Petaluma in the state of California is from April through October. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Petaluma is 25°C in July and the lowest is 13°C in December.

Climate of Petaluma by month

What is the average climate in a given month for Petaluma? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January