Our verdict
The best time to visit Carlsbad is March-May
During the warmer months, temperatures in Carlsbad can rise to a maximum of 27℃ (80℉). The weather at night in the winter can get down to temperatures as low as 7℃ (44℉).
If you’re keen to see the sights of Carlsbad during the day, the sun stays up the longest around August. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Carlsbad in December. Head over there in June instead if you want to increase your chances of not being rained on.
Learn everything you need to know (and none of the stuff you don’t) about when to go to Carlsbad below. Be sure to check out the handy tools we’ve included to help you search for flights and transport, accommodation, and everything else you need to plan and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Carlsbad seasons
Before you continue, it’s important to know when the seasons are in Carlsbad as they might be different to yours depending on where in the world you’re travelling from. Carlsbad is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Carlsbad
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Carlsbad for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Carlsbad climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Carlsbad for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Carlsbad in January
- Average temperature: 14℃ (57℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 11℃ (51℉)
- Average humidity: 61%
- Average sunny days: 24 days
- Average rainfall: 32mm (1") over 6 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in January, make sure you pack a warm jacket or coat.
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Carlsbad in February
- Average temperature: 13℃ (56℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 66%
- Average sunny days: 20 days
- Average rainfall: 39mm (2") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in February, make sure you pack a warm jacket or coat.
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Carlsbad in March
- Average temperature: 14℃ (57℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 11℃ (51℉)
- Average humidity: 69%
- Average sunny days: 21 days
- Average rainfall: 24mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in March, make sure you pack a warm jacket or coat.
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Carlsbad in April
- Average temperature: 15℃ (60℉)
- Average high temperature: 19℃ (67℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 69%
- Average sunny days: 21 days
- Average rainfall: 18mm (1") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in April, make sure you pack a warm jacket or coat.
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Carlsbad in May
- Average temperature: 16℃ (62℉)
- Average high temperature: 20℃ (68℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 72%
- Average sunny days: 21 days
- Average rainfall: 9mm (0") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in May, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Carlsbad in June
- Average temperature: 18℃ (64℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 73%
- Average sunny days: 22 days
- Average rainfall: 3mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in June, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Carlsbad in July
- Average temperature: 21℃ (69℉)
- Average high temperature: 25℃ (77℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 70%
- Average sunny days: 20 days
- Average rainfall: 15mm (1") over 6 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Carlsbad in August
- Average temperature: 22℃ (71℉)
- Average high temperature: 26℃ (78℉)
- Average low temperature: 18℃ (64℉)
- Average humidity: 68%
- Average sunny days: 22 days
- Average rainfall: 9mm (0") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Carlsbad in September
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (78℉)
- Average low temperature: 18℃ (64℉)
- Average humidity: 67%
- Average sunny days: 22 days
- Average rainfall: 8mm (0") over 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Carlsbad in October
- Average temperature: 19℃ (66℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 65%
- Average sunny days: 24 days
- Average rainfall: 11mm (0") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Carlsbad in November
- Average temperature: 16℃ (61℉)
- Average high temperature: 20℃ (69℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 60%
- Average sunny days: 23 days
- Average rainfall: 24mm (1") over 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in November, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Carlsbad in December
- Average temperature: 13℃ (56℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 63%
- Average sunny days: 22 days
- Average rainfall: 50mm (2") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Carlsbad in December, make sure you pack a warm jacket or coat.
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