Monthly climate averages for Gradiška, Slovenia. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewGradiška, Slovenia in April has mild conditions, with highs averaging 16.5°C (62°F) and noticeably cooler mornings. Temperatures drop noticeably between day and night.
This month falls at the middle of Spring.
Temperatures remain fairly steady throughout April, with daily highs around 16°C (61°F).
Rainfall is heaviest during the middle of the month, while the first third tends to be drier.
The warmest days tend to fall around the 30th, averaging 18.2°C (65°F).
Compared to March, this month is about 4°C warmer with 1 fewer rainy days. Temperatures will rise further into May.
Daily averages based on historical data (2016–2025)
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / -2°C | 2°C / -6°C | 8days (50 mm) Wet | 5.5h Fair | 80% Humid | 1.6 Low | Poor | View Details |
| February | 9°C / 0°C | 5°C / -4°C | 9days (52 mm) Wet | 6.6h Fair | 77% Humid | 2.3 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -1°C | 10days (58 mm) Wet | 8.3h Good | 71% Muggy | 3.6 Moderate | Fair | View Details |
| April | 17°C / 6°C | 15°C / 4°C | 9days (71 mm) Wet | 9.7h Good | 68% Muggy | 4.9 Moderate | Fair | View Details |
| May | 20°C / 10°C | 19°C / 9°C | 16days (136 mm) Wet | 9.9h Good | 75% Muggy | 5.6 High | Good | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 13days (96 mm) Wet | 11.9h Excellent | 72% Muggy | 6.7 High | Excellent | View Details |
| July best | 27°C / 17°C | 29°C / 18°C | 13days (112 mm) Wet | 12.1h Excellent | 72% Muggy | 6.5 High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 18°C | 11days (99 mm) Wet | 11.1h Excellent | 74% Muggy | 5.9 High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 13°C | 11days (121 mm) Wet | 8.9h Good | 78% Humid | 4.2 Moderate | Excellent | View Details |
| October best | 17°C / 9°C | 16°C / 7°C | 9days (69 mm) Wet | 7.2h Good | 81% Humid | 3 Moderate | Good | View Details |
| November | 10°C / 3°C | 8°C / 1°C | 9days (79 mm) Wet | 5.1h Fair | 85% Humid | 2 Low | Poor | View Details |
| December | 6°C / -1°C | 3°C / -4°C | 8days (56 mm) Wet | 5h Fair | 85% Humid | 1.3 Low | Poor | View Details |
Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.
Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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