The best times to visit Slovenia for ideal weather are
May 14th to September 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Slovenia Travel Guide
Other Slovenia Travel Info
Weather in Slovenia
Temperature
Average temperatures in Slovenia vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 30th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Slovenia, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 82.9°F (28.3°C) with temperatures rarely dropping below 59.1°F (15.1°C) at night.
Slovenia Temperatures (Fahrenheit)
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Slovenia Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Slovenia Perceived Temperature (F)
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Slovenia Perceived Temperature (C)
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Average Slovenia Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 40.8 | 34.1 | 28.4 |
| Feb | 42.3 | 34.7 | 28.4 |
| Mar | 52.2 | 42.4 | 33.5 |
| Apr | 61.3 | 50.7 | 40.3 |
| May | 67.8 | 57.9 | 47.9 |
| Jun | 75.3 | 64.8 | 54.1 |
| Jul | 79.9 | 68.9 | 58 |
| Aug | 78.7 | 67.4 | 56.9 |
| Sep | 68.3 | 58.5 | 50.3 |
| Oct | 59.7 | 50.7 | 43.4 |
| Nov | 50.6 | 43 | 37 |
| Dec | 41.4 | 34.1 | 28.4 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 4.9 | 1.2 | -2 |
| Feb | 5.7 | 1.5 | -2 |
| Mar | 11.2 | 5.8 | 0.8 |
| Apr | 16.3 | 10.4 | 4.6 |
| May | 19.9 | 14.4 | 8.8 |
| Jun | 24.1 | 18.2 | 12.3 |
| Jul | 26.6 | 20.5 | 14.4 |
| Aug | 25.9 | 19.7 | 13.8 |
| Sep | 20.2 | 14.7 | 10.2 |
| Oct | 15.4 | 10.4 | 6.3 |
| Nov | 10.3 | 6.1 | 2.8 |
| Dec | 5.2 | 1.2 | -2 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Slovenia are March, December, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid December. For example, on the week of December 17th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early November with an average of 2 days of significant precipitation the week of November 5th.
When can you find snow in Slovenia? Weather stations report far greater snow than most tourist destinations snow through most of the year likely to be deepest around June, especially close to late April. The best time to ski (if at all) in Slovenia is often around around June 4th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Slovenia.
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Snow on the Ground
The graph below shows the average snow on the ground in Slovenia (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 20% | 9.1 | 3.4 |
| Feb | 22% | 11.3 | 3.6 |
| Mar | 16% | 8.9 | 2.9 |
| Apr | 20% | 12.7 | 2.4 |
| May | 27% | 33 | 4.6 |
| Jun | 25% | 46.9 | 4.2 |
| Jul | 22% | 4.9 | 4.3 |
| Aug | 21% | 3.5 | 4.2 |
| Sep | 25% | 1.5 | 6.1 |
| Oct | 22% | 2.5 | 4.5 |
| Nov | 23% | 4.3 | 4.8 |
| Dec | 17% | 7.4 | 2.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 20 | 23.1 | 8.6 |
| Feb | 22 | 28.7 | 9.1 |
| Mar | 16 | 22.6 | 7.4 |
| Apr | 20 | 32.3 | 6.1 |
| May | 27 | 83.8 | 11.7 |
| Jun | 25 | 119.1 | 10.7 |
| Jul | 22 | 12.4 | 10.9 |
| Aug | 21 | 8.9 | 10.7 |
| Sep | 25 | 3.8 | 15.5 |
| Oct | 22 | 6.4 | 11.4 |
| Nov | 23 | 10.9 | 12.2 |
| Dec | 17 | 18.8 | 7.1 |
Humidity and Wind
Slovenia has some very humid months, with other comfortably humid months. The least humid month is April (59% relative humidity), and the most humid month is December (80.4%).
Wind in Slovenia is usually calm. The windiest month is March, followed by May and November. March’s average wind speed of around 4.5 knots (5.1 MPH or 8.3 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid May where average top sustained speeds reach 8.9 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Slovenia.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 3.9 | Barely noticeable | 7.4 | Gentle breeze |
| Feb | 4.2 | Light breeze | 7.7 | Gentle breeze |
| Mar | 4.5 | Light breeze | 8.6 | Gentle breeze |
| Apr | 4.2 | Light breeze | 8.4 | Gentle breeze |
| May | 4.4 | Light breeze | 8.4 | Gentle breeze |
| Jun | 3.9 | Barely noticeable | 7.4 | Gentle breeze |
| Jul | 3.8 | Barely noticeable | 7.5 | Gentle breeze |
| Aug | 3.5 | Barely noticeable | 7 | Gentle breeze |
| Sep | 3.8 | Barely noticeable | 7.1 | Gentle breeze |
| Oct | 4.1 | Light breeze | 7.4 | Gentle breeze |
| Nov | 4.3 | Light breeze | 7.6 | Gentle breeze |
| Dec | 4 | Light breeze | 7.1 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 78.7% |
| Feb | 74% |
| Mar | 62.5% |
| Apr | 59% |
| May | 62.6% |
| Jun | 62.4% |
| Jul | 61.7% |
| Aug | 64.1% |
| Sep | 71.8% |
| Oct | 76.1% |
| Nov | 79.2% |
| Dec | 80.4% |
Is it Safe to Travel to Slovenia?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Slovenia; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Slovenia is June, followed by April and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Slovenia in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Slovenia Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 69.7°F (20.9°C) and 48.8°F (9.3°C) with warmer temperatures in the later months. Rain is somewhat common with 5 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with about 7 days of precipitation per month. June – August is the busiest season for tourism in Slovenia, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 71.3°F (21.8°C) and 43°F (6.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 7 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is far too cold this time of year in Slovenia to be enjoyable for warm weather travelers. The average high during this season is between 48.8°F (9.3°C) and 37.2°F (2.9°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are fairly slow with tourists.
Best Times to Travel › Slovenia