Decs, Hungary experiences average highs of 17°C (63°F) and lows of 9°C (48°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Decs, Hungary Weather & Climate 2026
Monthly climate averages for Decs, Hungary. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 17°C / 9°C
Feels Like 16°C / 6°C
Rainy Days 9
Rainfall 54 mm
Sunshine 9 h
Humidity 72%
Wind Speed 15 km/h
Dew Point 8°C
Snow Days 3 days
Frost Days 10 days
Hottest Month
29°C
August
Avg Low19°C
Rain7days
Coldest Month
-1°C
January
Avg High5°C
Rain9days
Driest Month
7days
August
Avg High29°C
Avg Low19°C
Windiest Month
17 km/h
February (Gusts 34)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures.
Sun Position
Sunrise 04:54
Daylight 15.8h
Sunset 20:40
Live conditions—
Decs on the map · live conditions
Decs, Hungary
- Continent
- Europe
- Country
- Hungary
- City
- Decs
- Population
- 4.2K
- Coordinates
- 46.28°, 18.76°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 7°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 18°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 17°C
Avg Low 9°C
Rain 8 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 7°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: 9°C / 1°C . Mar: 12°C / 3°C . Apr: 17°C / 7°C . May: 21°C / 12°C . Jun: 27°C / 17°C . Jul: 29°C / 19°C . Aug: 29°C / 19°C . Sep: 23°C / 14°C . Oct: 18°C / 9°C . Nov: 11°C / 4°C . Dec: 6°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 42 mm. Feb: 46 mm. Mar: 49 mm. Apr: 41 mm. May: 76 mm. Jun: 63 mm. Jul: 56 mm. Aug: 52 mm. Sep: 63 mm. Oct: 52 mm. Nov: 52 mm. Dec: 53 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 76%. Mar: 71%. Apr: 65%. May: 68%. Jun: 65%. Jul: 60%. Aug: 61%. Sep: 68%. Oct: 75%. Nov: 83%. Dec: 85%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 16 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 15 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 15 km/h . Nov: 14 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 7h. Mar: 8h. Apr: 10h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 5h. Dec: 4h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. 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: 7 days. Feb: 3 days. Mar: 2 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 2 days.
Climate Trends
Average highs have warmed by 0.9°C (1.6°F) across the available records. Average rainfall is trending drier by about 14 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 29°C | Aug · 29°C |
| Coldest month | Feb 2025 · -2°C | Jan · -1°C |
| Wettest month | Mar 2025 · 94 mm | May · 76 mm |
| Windiest month | Jul 2025 · 17 km/h | Feb · 17 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -1°C | 2°C / -5°C | 9days (42 mm) Wet | 5.3h Fair | 82% Humid | 1.7 Low | Poor | View Details |
| February | 9°C / 1°C | 5°C / -3°C | 8days (46 mm) Wet | 6.6h Fair | 76% Humid | 2.5 Moderate | Poor | View Details |
| March | 12°C / 3°C | 9°C / -1°C | 9days (49 mm) Wet | 8.3h Good | 71% Muggy | 3.6 Moderate | Fair | View Details |
| April | 17°C / 7°C | 15°C / 4°C | 9days (41 mm) Wet | 10.1h Excellent | 65% Muggy | 5.2 High | Good | View Details |
| May best | 21°C / 12°C | 21°C / 10°C | 12days (76 mm) Wet | 11h Excellent | 68% Muggy | 6.1 High | Excellent | View Details |
| June best | 27°C / 17°C | 28°C / 17°C | 10days (63 mm) Wet | 12.6h Excellent | 65% Muggy | 6.8 High | Excellent | View Details |
| July best | 29°C / 19°C | 30°C / 19°C | 8days (56 mm) Wet | 12.9h Excellent | 60% Moderate | 6.6 High | Excellent | View Details |
| August best | 29°C / 19°C | 30°C / 19°C | 7days (52 mm) Good | 11.8h Excellent | 61% Muggy | 6 High | Excellent | View Details |
| September best | 23°C / 14°C | 23°C / 13°C | 7days (63 mm) Good | 9.5h Good | 68% Muggy | 4.5 Moderate | Excellent | View Details |
| October | 18°C / 9°C | 16°C / 7°C | 8days (52 mm) Wet | 7.6h Good | 75% Muggy | 3.1 Moderate | Good | View Details |
| November | 11°C / 4°C | 8°C / 1°C | 9days (52 mm) Wet | 5.1h Fair | 83% Humid | 1.8 Low | Poor | View Details |
| December | 6°C / 0°C | 3°C / -3°C | 8days (53 mm) Wet | 4.4h Fair | 85% Humid | 1.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Decs are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Decs, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Decs is August, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Decs is January, with average overnight lows of -1°C (29°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Decs is May, averaging 76mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Decs runs through May, June, with the heaviest rainfall in May. Based on 10-year averages for Decs.
Decs receives approximately 105 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Decs.
The least favorable months to visit Decs are January, February, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Decs is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Decs is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Decs receives snow. Months with snowfall average 3 snow days and 4 cm (2 in) of accumulation, with about 10 frost days during winter.
Average wind speeds in Decs are 15 km/h (9 mph). The windiest month is February with peak winds reaching 17 km/h (11 mph) (gusts up to 34 km/h / 21 mph).
Decs averages 5 clear-sky days per month with overall cloud cover around 56%. The clearest skies occur in September.
The annual average dew point in Decs is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Decs has a Humid Subtropical climate, classified as Cfa 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 Decs ranges from 6°C (43°F) to 16°C (61°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Decs. It earns a climate score of 8.9/10 with Excellent.
For June in Decs, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 27°C (80°F) and 10 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: