Weatheo

Carlsbad Weather by Month

Average temperatures, rainfall and humidity for Carlsbad, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Carlsbad month looks like before you travel — then check the live Carlsbad forecast for the days ahead.

Warmest month

August

27°C average high

Coolest month

January

10°C average low

Wettest month

March

55 mm of rain

Driest month

July

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.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January19°C10°C-2°C / 31°C
43 mm
68%9 km/h
February19°C10°C2°C / 32°C
42 mm
69%10 km/h
March20°C11°C2°C / 31°C
55 mm
74%10 km/h
April21°C12°C6°C / 35°C
20 mm
74%11 km/h
May21°C14°C9°C / 36°C
21 mm
77%11 km/h
June24°C16°C11°C / 40°C
14 mm
80%9 km/h
July26°C19°C14°C / 35°C
7 mm
80%9 km/h
August27°C19°C14°C / 38°C
10 mm
79%9 km/h
September27°C18°C11°C / 41°C
8 mm
78%9 km/h
October25°C16°C6°C / 38°C
15 mm
73%8 km/h
November22°C12°C3°C / 35°C
20 mm
67%9 km/h
December19°C10°C2°C / 28°C
43 mm
69%9 km/h

Best time to visit Carlsbad

The most comfortable time to visit Carlsbad is generally June to July and October, 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 300 mm a year.

Travellers who prefer heat should aim for August, when highs average 27°C. March is the month to avoid if rain would spoil your plans — it averages 55 mm, roughly 7× the rainfall of the driest month (July).

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

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