Carlsbad weather by month

Warmest month

August

81°F (27°C) average high

Coolest month

February

49°F (9°C) average low

Wettest month

March

2 in (52 mm) of rain

Driest month

September

0.3 in (7 mm) of rain

Average temperature and rainfall in Carlsbad by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	67°F	50°F	35°F / 88°F	1.8 in	68%	5 mph
February	67°F	49°F	35°F / 83°F	1.6 in	70%	6 mph
March	67°F	52°F	42°F / 77°F	2 in	75%	6 mph
April	69°F	54°F	44°F / 86°F	0.9 in	72%	6 mph
May	71°F	58°F	51°F / 97°F	0.9 in	76%	7 mph
June	74°F	61°F	57°F / 83°F	0.6 in	80%	6 mph
July	80°F	65°F	60°F / 91°F	0.3 in	80%	6 mph
August	81°F	66°F	60°F / 100°F	0.3 in	80%	5 mph
September	81°F	66°F	55°F / 99°F	0.3 in	77%	6 mph
October	78°F	62°F	53°F / 100°F	0.6 in	72%	5 mph
November	73°F	54°F	44°F / 87°F	0.9 in	68%	5 mph
December	66°F	50°F	39°F / 79°F	1.8 in	69%	6 mph

Frost and snow-likely months in Carlsbad

No month in Carlsbad averages a night of 36°F (2°C) or below. The coldest month is February with an average low of 49°F (9°C) and a record low of 35°F (2°C), so frost is rare and snow is very unlikely.

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Carlsbad

The most comfortable time to visit Carlsbad is generally June and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around March, totalling about 11.8 in (299 mm) a year.

Travellers who prefer heat should aim for August, when highs average 81°F (27°C). March is the month to avoid if rain would spoil your plans — it averages 2 in (52 mm), roughly 7× the rainfall of the driest month (September).

Carlsbad climate: your questions

Does it snow in Carlsbad?

No: the coldest month in Carlsbad is February with an average low of 49°F (9°C) and a record low of 35°F (2°C), so snow is very unlikely. What is falling now: Carlsbad weather today.

Which months are best for visiting Carlsbad?

June and October to November are the most comfortable months in Carlsbad, with highs near 75°F (24°C). August is the warmest month, averaging 81°F (27°C) by day; March is the wettest, with 2 in (52 mm); and February is the coolest, with lows near 49°F (9°C). What it is doing today: Carlsbad weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Carlsbad forecast for what is happening now.