Ig, Slovenia experiences average highs of 16°C (61°F) and lows of 8°C (46°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Ig, Slovenia Weather & Climate 2026
Monthly climate averages for Ig, Slovenia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.4/10
Best: June, July, August, September, October
UV Index
4
Low
Temperature 16°C / 8°C
Feels Like 15°C / 6°C
Rainy Days 11
Rainfall 103 mm
Sunshine 8 h
Humidity 79%
Wind Speed 12 km/h
Dew Point 8°C
Snow Days 5 days
Frost Days 11 days
Hottest Month
27°C
July
Avg Low17°C
Rain12days
Coldest Month
-1°C
January
Avg High5°C
Rain9days
Driest Month
8days
February
Avg High8°C
Avg Low0°C
Windiest Month
14 km/h
March (Gusts 37)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 05:12
Daylight 15.7h
Sunset 20:55
Live conditions—
Ig on the map · live conditions
Ig, Slovenia
- Continent
- Europe
- Country
- Slovenia
- City
- Ig
- Population
- 2.3K
- Coordinates
- 45.96°, 14.53°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 6°C
Rain 13 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 16°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 8°C
Rain 11 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 6°C
Avg Low 0°C
Rain 8 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 5°C / -1°C . Feb: 8°C / 0°C . Mar: 12°C / 2°C . Apr: 16°C / 6°C . May: 19°C / 10°C . Jun: 25°C / 15°C . Jul: 27°C / 17°C . Aug: 27°C / 17°C . Sep: 21°C / 13°C . Oct: 16°C / 9°C . Nov: 10°C / 4°C . Dec: 6°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 76 mm. Feb: 80 mm. Mar: 82 mm. Apr: 87 mm. May: 149 mm. Jun: 94 mm. Jul: 98 mm. Aug: 107 mm. Sep: 146 mm. Oct: 105 mm. Nov: 124 mm. Dec: 91 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 80%. Mar: 74%. Apr: 73%. May: 79%. Jun: 75%. Jul: 72%. Aug: 74%. Sep: 80%. Oct: 84%. Nov: 87%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 14 km/h . May: 12 km/h . Jun: 12 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 12 km/h . Nov: 11 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 8h. Apr: 10h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 4h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 8 days. Feb: 6 days. Mar: 4 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 4 days. Dec: 7 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending drier by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 27°C | Jul · 27°C |
| Coldest month | Feb 2025 · -1°C | Jan · -1°C |
| Wettest month | Mar 2025 · 166 mm | May · 149 mm |
| Windiest month | Apr 2025 · 14 km/h | Mar · 14 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Wet June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -1°C | 2°C / -4°C | 9days (76 mm) Wet | 4.8h Fair | 83% Humid | 1.5 Low | Poor | View Details |
| February | 8°C / 0°C | 5°C / -3°C | 8days (80 mm) Wet | 5.6h Fair | 80% Humid | 2.1 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / 0°C | 11days (82 mm) Wet | 8.1h Good | 74% Muggy | 3.5 Moderate | Poor | View Details |
| April | 16°C / 6°C | 14°C / 3°C | 10days (87 mm) Wet | 9.6h Good | 73% Muggy | 4.9 Moderate | Fair | View Details |
| May | 19°C / 10°C | 19°C / 9°C | 18days (149 mm) Wet | 9.8h Good | 79% Humid | 5.7 High | Wet | View Details |
| June best | 25°C / 15°C | 26°C / 16°C | 13days (94 mm) Wet | 12h Excellent | 75% Muggy | 6.7 High | Excellent | View Details |
| July best | 27°C / 17°C | 29°C / 18°C | 12days (98 mm) Wet | 12.1h Excellent | 72% Muggy | 6.6 High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 18°C | 11days (107 mm) Wet | 10.9h Excellent | 74% Muggy | 6 High | Excellent | View Details |
| September best | 21°C / 13°C | 21°C / 13°C | 12days (146 mm) Wet | 8.7h Good | 80% Humid | 4.6 Moderate | Excellent | View Details |
| October best | 16°C / 9°C | 15°C / 7°C | 9days (105 mm) Wet | 6.5h Fair | 84% Humid | 2.9 Moderate | Good | View Details |
| November | 10°C / 4°C | 8°C / 2°C | 11days (124 mm) Wet | 4.3h Fair | 87% Very Muggy | 1.9 Low | Poor | View Details |
| December | 6°C / 0°C | 4°C / -3°C | 8days (91 mm) Wet | 4.1h Fair | 87% Very Muggy | 1.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Ig are June, July, August, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Ig, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Ig is July, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Ig is January, with average overnight lows of -1°C (30°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Ig is May, averaging 149mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Ig runs through May, June, July, September, with the heaviest rainfall in May. Based on 10-year averages for Ig.
Ig receives approximately 97 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Ig.
The least favorable months to visit Ig are January, February, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Ig is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Ig is 79%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Ig receives snow. Months with snowfall average 5 snow days and 12 cm (5 in) of accumulation, with about 11 frost days during winter.
Average wind speeds in Ig are 12 km/h (7 mph). The windiest month is March with peak winds reaching 14 km/h (9 mph) (gusts up to 37 km/h / 23 mph).
Ig averages 3 clear-sky days per month with overall cloud cover around 62%. The clearest skies occur in March.
The annual average dew point in Ig is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Ig has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Ig ranges from 6°C (43°F) to 15°C (59°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Ig. It earns a climate score of 8.4/10 with Excellent.
For June in Ig, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 25°C (77°F) and 13 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: