Our verdict
The best time to visit El Rosario is March
During the warmer months, temperatures in El Rosario can rise to a maximum of 37℃ (99℉). In the winter months, it can get down to as low as 8℃ (45℉) at night.
If you want to get the most out of your time visiting El Rosario, or you’re just afraid of the dark, the days in May are usually the longest between sunrise and sunset. 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 El Rosario in July. Head over there in May 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 El Rosario 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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El Rosario seasons
Before you continue, it’s important to know when the seasons are in El Rosario as they might be different to yours depending on where in the world you’re travelling from. El Rosario 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 El Rosario
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 El Rosario 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.
El Rosario 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 El Rosario 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:
El Rosario in January
- Average temperature: 17℃ (62℉)
- Average high temperature: 24℃ (76℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 45%
- Average sunny days: 25 days
- Average rainfall: 13mm (1") over 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in January, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
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El Rosario in February
- Average temperature: 18℃ (64℉)
- Average high temperature: 25℃ (78℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 42%
- Average sunny days: 23 days
- Average rainfall: 18mm (1") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in February, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
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El Rosario in March
- Average temperature: 21℃ (69℉)
- Average high temperature: 28℃ (83℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 35%
- Average sunny days: 27 days
- Average rainfall: 9mm (0") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in March, 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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El Rosario in April
- Average temperature: 23℃ (73℉)
- Average high temperature: 31℃ (87℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 32%
- Average sunny days: 28 days
- Average rainfall: 4mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in April, 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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El Rosario in May
- Average temperature: 26℃ (79℉)
- Average high temperature: 33℃ (92℉)
- Average low temperature: 18℃ (65℉)
- Average humidity: 31%
- Average sunny days: 28 days
- Average rainfall: 4mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in May, 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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El Rosario in June
- Average temperature: 28℃ (83℉)
- Average high temperature: 35℃ (95℉)
- Average low temperature: 22℃ (72℉)
- Average humidity: 48%
- Average sunny days: 12 days
- Average rainfall: 52mm (2") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in June, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
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El Rosario in July
- Average temperature: 27℃ (80℉)
- Average high temperature: 32℃ (90℉)
- Average low temperature: 22℃ (72℉)
- Average humidity: 68%
- Average sunny days: 1 days
- Average rainfall: 202mm (8") over 29 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in July, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
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El Rosario in August
- Average temperature: 26℃ (79℉)
- Average high temperature: 33℃ (90℉)
- Average low temperature: 21℃ (70℉)
- Average humidity: 70%
- Average sunny days: 2 days
- Average rainfall: 189mm (7") over 28 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in August, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
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El Rosario in September
- Average temperature: 25℃ (78℉)
- Average high temperature: 32℃ (89℉)
- Average low temperature: 20℃ (69℉)
- Average humidity: 68%
- Average sunny days: 6 days
- Average rainfall: 108mm (4") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in September, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
El Rosario in October
- Average temperature: 24℃ (74℉)
- Average high temperature: 31℃ (87℉)
- Average low temperature: 18℃ (64℉)
- Average humidity: 57%
- Average sunny days: 21 days
- Average rainfall: 22mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario 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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El Rosario in November
- Average temperature: 20℃ (68℉)
- Average high temperature: 28℃ (81℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 48%
- Average sunny days: 25 days
- Average rainfall: 30mm (1") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in November, 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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El Rosario in December
- Average temperature: 16℃ (61℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 49%
- Average sunny days: 25 days
- Average rainfall: 16mm (1") over 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to El Rosario in December, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
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