Viljandi Weather in May
Thinking of visiting Viljandi in May? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 6°C (43°F) at night, with some rainfall likely.
Rainfall in Viljandi in May
You can expect rain on around 12 days based on historical patterns, with 56 mm (2.2 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Viljandi in May
Expect highs of 17°C (63°F) in Viljandi in May, with nights dropping to around 6°C (43°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Viljandi in May
Expect a lot of sunshine this month, with about 301 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Viljandi.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Viljandi's climate page.
Viljandi Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
39%
Precipitation
56 mm (2.2 in)
Rainy days
12 days
Humidity
68% *
Sunshine
301 hours *
Percentage Sunshine
40% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Viljandi typically rise from around 14°C (57°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Viljandi in May
Browse day-by-day weather records for Viljandi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Viljandi historical weather extremes in May
According to our 50 years of weather records for Viljandi, the following extremes were recorded between 1976 and 2026.
- On May 19, 2014, temperatures climbed to 31°C (88°F), marking the warmest May day on record.
- The lowest overnight temperature recorded in May was -4°C (25°F) (May 2, 1995).
Best Places in Estonia in May
Find out more about the weather in Estonia and which places have the best travel conditions in this month. See all of Estonia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Viljandi in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Viljandi in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Viljandi's climate page.
Temperature Rainfall Sunshine Humidity
See the full Viljandi climate overview or explore weather in Estonia.
