Arjona Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very hot to moderate in Arjona. Average daytime temperatures reach a very hot 37°C (99°F) in July. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).

At night, temperatures range from around 21°C (70°F) in July to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Arjona has a moderate amount of precipitation, averaging 506 mm (20 in) of rainfall annually. Arjona can be quite wet during December, receiving approximately 68 mm (2.7 in) of precipitation over 14 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 2.7 mm (0.1 in) of precipitation spread across 3 rainy days. For more details, please visit our Arjona Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Arjona can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Arjona.

The city experiences its highest humidity in December, reaching 80%. In July, the humidity drops to its lowest level at 41%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year