Last updated: August 23, 2025
The average temperature in Jaerva-Jaani, Estonia during May is a cool 10°C (51°F). Prepare for the possibility of temperatures dipping as low as -5°C (23°F), while sometimes reaching up to 27°C (80°F). Expect approximately 52 mm (2.1 in) of precipitation spread over 11 days, coupled with an average humidity of 73%.
In May in Jaerva-Jaani, the average temperature is 10°C (51°F). Maximums can reach 27°C (80°F) and minimums can be as low as -5°C (23°F). Travelers should pack layers to stay comfortable in the variable weather conditions.
In Jaerva-Jaani in May, the total precipitation amount is 52 mm (2.1 in) over the course of 11 days.
In Jaerva-Jaani in May, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.
In Jaerva-Jaani in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Jaerva-Jaani.
UV Risk Categories
Weather in Jaerva-Jaani varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Jaerva-Jaani, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 42 mm (1.7 inches) | 95% | low |
| February Weather | -3°C (26°F) | 46 mm (1.8 inches) | 93% | low |
| March Weather | -1°C (31°F) | 49 mm (1.9 inches) | 90% | moderate |
| April Weather | 4°C (40°F) | 47 mm (1.8 inches) | 87% | moderate |
| May Weather | 10°C (51°F) | 52 mm (2.1 inches) | 73% | moderate |
| June Weather | 16°C (61°F) | 66 mm (2.6 inches) | 77% | high |
| July Weather | 17°C (64°F) | 71 mm (2.8 inches) | 80% | high |
| August Weather | 16°C (61°F) | 99 mm (3.9 inches) | 84% | high |
| September Weather | 12°C (54°F) | 69 mm (2.7 inches) | 89% | moderate |
| October Weather | 7°C (45°F) | 81 mm (3.2 inches) | 92% | low |
| November Weather | 3°C (37°F) | 55 mm (2.2 inches) | 93% | low |
| December Weather | -2°C (29°F) | 59 mm (2.3 inches) | 93% | low |