Palmdale climate

Name: Palmdale
Address: US

Palmdale is warmest in August, with average highs of 34 °C, and coldest in December, when nights average 4.3 °C. February is the wettest month (73 mm) and June the driest (3.7 mm). Figures are 1991–2020 climate normals.

Across a full year Palmdale averages 338 mm of rain, 168 days above 25 °C and 9 days below freezing.

United States · 810 m elevation · population 158,351 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 34 °C
Coldest month December 4.3 °C
Driest month June 4 mm
Wettest month February 73 mm
Least cloud August 14 % cloud
Hottest on record June 42 °C
Coldest on record February -4.7 °C

What to expectPalmdale through the year

Palmdale has a clear annual cycle: average daily highs run from 14 °C in December to 34 °C in August, a swing of 19 °C in mean temperature across the year.

Counted across a normal year, 168 days a year reach 25 °C, 110 of them reach 30 °C, 9 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in June.

Rain is strongly seasonal. February averages 73 mm against 4 mm in June — 20 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	14.4 °C	61 mm	47 %
February	15.7 °C	73 mm	48 %
March	18.8 °C	48 mm	44 %
April	22.1 °C	23 mm	36 %
May	26.3 °C	11 mm	29 %
June	30.9 °C	4 mm	15 %
July	33.9 °C	16 mm	18 %
August	34.2 °C	10 mm	14 %
September	31.4 °C	10 mm	14 %
October	25.3 °C	18 mm	22 %
November	18.8 °C	18 mm	33 %
December	13.8 °C	46 mm	42 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	14.4 °C	4.7 °C	8.6 °C	25.1 °C	-4.2 °C	0	0	3
February	15.7 °C	5.3 °C	9.5 °C	28.0 °C	-4.7 °C	0	0	2
March	18.8 °C	6.9 °C	11.9 °C	30.7 °C	-2.5 °C	3	0	0
April	22.1 °C	8.9 °C	14.7 °C	33.8 °C	-0.9 °C	9	1	0
May	26.3 °C	12.3 °C	18.7 °C	37.8 °C	3.9 °C	19	7	0
June	30.9 °C	16.0 °C	23.1 °C	41.6 °C	5.7 °C	27	19	0
July	33.9 °C	19.4 °C	26.4 °C	41.0 °C	12.0 °C	31	27	0
August	34.2 °C	19.8 °C	26.7 °C	40.5 °C	11.8 °C	31	29	0
September	31.4 °C	17.8 °C	24.0 °C	41.5 °C	8.0 °C	28	21	0
October	25.3 °C	13.3 °C	18.5 °C	35.9 °C	-1.5 °C	17	5	0
November	18.8 °C	8.1 °C	12.6 °C	29.1 °C	-3.6 °C	3	0	1
December	13.8 °C	4.3 °C	8.1 °C	23.5 °C	-4.4 °C	0	0	3

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	61 mm	6	10 h/day	47 %	56 %	14 km/h
February	73 mm	7	11 h/day	48 %	58 %	15 km/h
March	48 mm	6	12 h/day	44 %	56 %	16 km/h
April	23 mm	4	13 h/day	36 %	48 %	17 km/h
May	11 mm	3	14 h/day	29 %	46 %	17 km/h
June	4 mm	1	14 h/day	15 %	40 %	16 km/h
July	16 mm	3	14 h/day	18 %	39 %	15 km/h
August	10 mm	2	13 h/day	14 %	37 %	15 km/h
September	10 mm	2	12 h/day	14 %	39 %	14 km/h
October	18 mm	3	11 h/day	22 %	41 %	14 km/h
November	18 mm	3	10 h/day	33 %	45 %	14 km/h
December	46 mm	5	9.9 h/day	42 %	53 %	14 km/h

How Palmdale compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Palmdale	34 °C	4.3 °C	338 mm	168
Lancaster · United States	35 °C	4.1 °C	193 mm	176
Santa Clarita · United States	33 °C	5.2 °C	342 mm	178
Glendale · United States	32 °C	6.7 °C	395 mm	176
Los Angeles · United States	32 °C	7.0 °C	347 mm	189
Pomona · United States	32 °C	6.4 °C	411 mm	176

Where Palmdale ranks

Ranking	Position	Value
Places with the best weather in North America in October	12thof 50	95/100
Places with the best weather in North America in April	16thof 50	94/100
The driest places in North America in October	23rdof 50	18 mm
The driest places in North America year-round	26thof 50	28 mm
The warmest places in North America in August	26thof 50	34 °C
Places with the best weather in North America in May	29thof 50	91/100

Planning a trip? See the best time to visit Palmdale.

QuestionsCommon questions about Palmdale’s climate

When is the best time to visit Palmdale?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, October sit closest to 20 °C on average, August is the warmest month and June the driest. The month-by-month table above has the full picture.

How hot does Palmdale get?

In August, the warmest month, daily highs average 34 °C. About 110 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average 4.3 °C in December, the coldest month. A normal year has 9 nights below freezing.

Which month is wettest in Palmdale?

February, averaging 73 mm over 7 days with rain. The driest month is June with 4 mm. The year as a whole averages 338 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Palmdale rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.