AI-generatedViljandi at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 24°
- Sunshine a year
- 1,760 h
- Rain a year
- 724 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 84 m
Climate in Viljandi
Viljandi has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 24 °C, while January is the coolest at −2 °C. With around 1,760 hours of sunshine a year, Viljandi is moderately sunny; May is the sunniest month with 8.8 hours a day.
Holiday weather through the year
Best time to visit Viljandi
The best time to visit Viljandi is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in May and in September. Rain is frequent in October; the wettest month is August with 94 mm.
Viljandi through the seasons
How the weather changes over the seasons, with averages for each.
Viljandi in spring
Mar – May
Fair
- 3–17 °C by day
- 6.6 h of sun a day
- 29 rainy days in all
Viljandi in summer
Jun – Aug
Good
- 21–24 °C by day
- 8.3 h of sun a day
- 40 rainy days in all
Viljandi in autumn
Sep – Nov
Poor
- 4–17 °C by day
- 2.9 h of sun a day
- 35 rainy days in all
Viljandi in winter
Dec – Feb
Poor
- −1–0 °C by day
- 1.4 h of sun a day
- 33 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May, Sep
15–28 °C and not too much rain
Rainy months
Oct
Rainy season or more than 12 rainy days
Snow
Nov – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Viljandi for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 4°
- Midday, 13:00: about 9°
- Afternoon, 16:00: about 9°
- Evening, 20:00: about 7°
- Night, 23:00: about 5°
07:5118:16
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:26–08:47 · evening 17:20–18:40
- Blue hour
- Morning 07:11–07:26 · evening 18:40–18:56
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Viljandi compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 13° at the start of the month to 6° at the end. The days get 2.5 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 13° | 6° |
| Night-time low | 6° | 1° |
| Daylight | 11.6 h | 9.1 h |
What is the weather like in Viljandi in October?
In October, Viljandi is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 2.7 hours a day. Rain is frequent, with about 12 rainy days and 68 mm in total. All in all, October is not an ideal month for a holiday in Viljandi.
More details for October
- Daylight
- 10 h 25 min07:51 – 18:16
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 50 %16 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Warm jacket
- Rain jacket or umbrella
Compare two months in Viljandi
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Viljandi: score 85 against 20. In May, days are 8 °C warmer than in October. May has one rainy day fewer. The sun shines 6 hours longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 20 | 85better |
| Daytime high | 9° | 17° |
| Night-time low | 3° | 6° |
| Sunshine | 2.7 h | 8.8 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 68 mm | 53 mmbetter |
Based on the climate averages 1996–2025.
Viljandi month by month
The typical weather for every month at a glance.
14January−1° · 1.2 h
In January, Viljandi is bitterly cold: daytime highs average −2 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 1.2 hours a day. Precipitation falls on about 12 days, totalling 51 mm; on about 8 of them it snows. All in all, January is not an ideal month for a holiday in Viljandi.
Viljandi in January18February−1° · 2.3 h
In February, Viljandi is bitterly cold: daytime highs average −1 °C, and nights often drop below freezing (−7 °C). The sun is scarce, with only about 2.3 hours a day. Precipitation falls on about 10 days, totalling 41 mm; on about 7 of them it snows. All in all, February is not an ideal month for a holiday in Viljandi.
Viljandi in February24March3° · 4.5 h
In March, Viljandi is cold: daytime highs average 3 °C, and nights often drop below freezing (−4 °C). Expect around 4.5 hours of sunshine a day. Precipitation falls on about 9 days, totalling 36 mm; on about 4 of them it snows. All in all, March is not an ideal month for a holiday in Viljandi.
Viljandi in March47April11° · 6.4 h
In April, Viljandi is cool: daytime highs average 11 °C, and nights cool down to about 1 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 43 mm in total. Snow falls on about 2 days. All in all, April is a so-so month for a holiday in Viljandi.
Viljandi in April85May17° · 8.8 h
In May, Viljandi is mild: daytime highs average 17 °C, and nights cool down to about 6 °C. The sun shines for around 8.8 hours a day. Rain is frequent, with about 11 rainy days and 53 mm in total. All in all, May is an excellent month for a holiday in Viljandi.
Viljandi in May80June21° · 8.7 h
In June, Viljandi is warm: daytime highs average 21 °C, and nights cool down to about 10 °C. The sun shines for around 8.7 hours a day. Rain is frequent, with about 13 rainy days and 87 mm in total. All in all, June is an excellent month for a holiday in Viljandi.
Viljandi in June79July24° · 8.8 h
In July, Viljandi is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sun shines for around 8.8 hours a day. Rain is frequent, with about 14 rainy days and 90 mm in total. All in all, July is a good month for a holiday in Viljandi.
Viljandi in July73August22° · 7.3 h
In August, Viljandi is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sun shines for around 7.3 hours a day. Rain is frequent, with about 14 rainy days and 94 mm in total. All in all, August is a good month for a holiday in Viljandi.
Viljandi in August70September17° · 5.0 h
In September, Viljandi is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 54 mm in total. All in all, September is a good month for a holiday in Viljandi.
Viljandi in September20October9° · 2.7 h
In October, Viljandi is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 2.7 hours a day. Rain is frequent, with about 12 rainy days and 68 mm in total. All in all, October is not an ideal month for a holiday in Viljandi.
Viljandi in October14November4° · 1.0 h
In November, Viljandi is cold: daytime highs average 4 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 1.0 hours a day. Precipitation falls on about 12 days, totalling 56 mm; on about 4 of them it snows. All in all, November is not an ideal month for a holiday in Viljandi.
Viljandi in November13December0° · 0.8 h
In December, Viljandi is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 0.8 hours a day. Precipitation falls on about 12 days, totalling 51 mm; on about 6 of them it snows. All in all, December is not an ideal month for a holiday in Viljandi.
Viljandi in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Viljandi
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
ColdOctober: nights around 3°. The room should be heated.
The coolest nights are in February (−7°), the warmest in July (13°). Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 14 | −2° | −6° | 1.2 h | 12 | 51 |
| FebruaryFeb | 18 | −1° | −7° | 2.3 h | 10 | 41 |
| MarchMar | 24 | 3° | −4° | 4.5 h | 9 | 36 |
| AprilApr | 47 | 11° | 1° | 6.4 h | 10 | 43 |
| MayMay | 85 | 17° | 6° | 8.8 h | 11 | 53 |
| JuneJun | 80 | 21° | 10° | 8.7 h | 13 | 87 |
| JulyJul | 79 | 24° | 13° | 8.8 h | 14 | 90 |
| AugustAug | 73 | 22° | 12° | 7.3 h | 14 | 94 |
| SeptemberSep | 70 | 17° | 8° | 5.0 h | 11 | 54 |
| OctoberOct | 20 | 9° | 3° | 2.7 h | 12 | 68 |
| NovemberNov | 14 | 4° | −1° | 1.0 h | 12 | 56 |
| DecemberDec | 13 | 0° | −4° | 0.8 h | 12 | 51 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
58.36° N, 25.59° E · 84 m · Europe/Tallinn
Sunshine
Sunshine hours in Viljandi
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 2.7 of 10.4 hours of daylight in Viljandi, 26 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Viljandi: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Viljandi has about 12 rainy days with 68 mm of rain in total.
UV index
UV index in Viljandi
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 6).
Minutes until sunburn in October
- Very fair skin
- over 2 h
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Viljandi
How breezy and how cloudy Viljandi is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Viljandi typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 76 % of the sky over Viljandi: mostly cloudy, with about 2.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow
Snow in Viljandi
When Viljandi is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, Viljandi has about 1 day with at least 1 cm of fresh snow, 3 cm in total. The chance of seeing snow during a week's stay is 10 out of 100: hardly any.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Viljandi
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Viljandi in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Viljandi has its best school-holiday weather during May half-term (score 84) and its weakest during the Christmas holidays (score 14).
- 40
Easter holidays
Mar – Apr
Fair
- 9 °C by day
- 5.8 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
- 84
May half-term
May – Jun
ExcellentBest holidays
- 18 °C by day
- 8.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 75
Summer holidays
Jul – Aug
Good
- 23 °C by day
- 7.8 h of sun a day
- 14 rainy days a month
- 20
October half-term
Oct
Poor
- 9 °C by day
- 2.7 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 14
Christmas holidays
Dec – Jan
Poor
- −1 °C by day
- 1.0 h of sun a day
- 12 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 2 h 40 min
- Distance
- 1,820 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Estonia
- Currency
- Euro (EUR)
- Language
- Estonian
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +372
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Viljandi compared
Put Viljandi side by side with another destination.
Viljandi vs Pärnu
In October the holiday weather in Viljandi and Pärnu is about equally good (score 20 vs 24). During the day Pärnu is 1 °C warmer than Viljandi.
| in October | Viljandi | Pärnu |
|---|---|---|
| Holiday weather score | 20 | 24 |
| Daytime high | 9° | 10° |
| Sea | no sea nearby | 11° |
| Sunshine | 3 h | 3 h |
| Rainy days | 12 | 12 |
| Best time | May – Sep | Jul |
Through the year
Best places in the country
Estonia in October: the best places
In October, Viljandi ranks 4 of 15 destinations in this country.
- Tartu10°22
- 2Võru10°22
- 3Valga10°21
- 4ViljandiThis page9°20
- 5Rakvere9°20
- 6Tallinn10°11°20
- 7Narva9°17
- 8Kuressaare11°11°11
Places nearby
Near Viljandi
Other destinations close by.
Places with a similar climate
Places with a climate like Viljandi
Destinations whose weather through the year is closest to Viljandi's – good alternatives.
Frequently asked questions about Viljandi
When is the best time to visit Viljandi?
The best time to visit Viljandi is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Viljandi?
July is the warmest month, with average highs of 24 °C and nights around 13 °C. January is the coolest month at −2 °C.
When does it rain most in Viljandi?
Rain is frequent in October; the wettest month is August with 94 mm. The driest month is March with 36 mm.
How many hours of sunshine does Viljandi get?
Viljandi gets around 1,760 hours of sunshine a year. The sunniest month is May with 8.8 hours a day; in December there are 0.8 hours a day.
What time zone is Viljandi in?
Viljandi is on UTC+2 in January and UTC+3 in July.
How long is the flight from London to Viljandi?
A nonstop flight from London to Viljandi takes about 2 h 40 min, for a straight-line distance of about 1,820 km.
Which school holidays are best for Viljandi?
Viljandi has its best school-holiday weather during May half-term (score 84) and its weakest during the Christmas holidays (score 14). Holiday ratings (0–100): Easter holidays 40, May half-term 84, summer holidays 75, October half-term 20, Christmas holidays 14.