Rettenberg, Germany experiences average highs of 13°C (55°F) and lows of 4°C (39°F) throughout the year. Rainfall is frequent, averaging about 17 rainy days per month. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Rettenberg, Germany Weather & Climate 2026
Monthly climate averages for Rettenberg, Germany. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Apr–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.9/10
Best: June, July, August, September, October
UV Index
4
Low
Temperature 13°C / 4°C
Feels Like 11°C / 1°C
Rainy Days 17
Rainfall 152 mm
Sunshine 8 h
Humidity 80%
Wind Speed 10 km/h
Dew Point 5°C
Snow Days 11 days
Frost Days 15 days
Hottest Month
22°C
August
Avg Low13°C
Rain19days
Coldest Month
-5°C
January
Avg High3°C
Rain15days
Driest Month
13days
February
Avg High6°C
Avg Low-3°C
Windiest Month
11 km/h
February (Gusts 38)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:22
Daylight 16h
Sunset 21:19
Live conditions—
Rettenberg on the map · live conditions
Rettenberg, Germany
- Continent
- Europe
- Country
- Germany
- City
- Rettenberg
- Population
- 4K
- Coordinates
- 47.57°, 10.29°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 2°C
Rain 18 days/mo
Summer
Jun–Aug
Avg High 21°C
Avg Low 12°C
Rain 20 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 5°C
Rain 15 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 4°C
Avg Low -4°C
Rain 14 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: 3°C / -5°C . Feb: 6°C / -3°C . Mar: 8°C / -1°C . Apr: 12°C / 2°C . May: 16°C / 6°C . Jun: 21°C / 11°C . Jul: 22°C / 13°C . Aug: 22°C / 13°C . Sep: 18°C / 9°C . Oct: 14°C / 5°C . Nov: 8°C / 0°C . Dec: 4°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 144 mm. Feb: 105 mm. Mar: 112 mm. Apr: 120 mm. May: 210 mm. Jun: 187 mm. Jul: 215 mm. Aug: 211 mm. Sep: 151 mm. Oct: 121 mm. Nov: 113 mm. Dec: 129 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 79%. Mar: 77%. Apr: 77%. May: 80%. Jun: 78%. Jul: 79%. Aug: 81%. Sep: 84%. Oct: 83%. Nov: 84%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 11 km/h . Mar: 11 km/h . Apr: 11 km/h . May: 11 km/h . Jun: 10 km/h . Jul: 10 km/h . Aug: 9 km/h . Sep: 9 km/h . Oct: 9 km/h . Nov: 9 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 7h. Mar: 8h. Apr: 10h. May: 10h. Jun: 11h. Jul: 11h. Aug: 10h. Sep: 9h. Oct: 7h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 5. Jun: UV 7. Jul: UV 6. Aug: UV 5. Sep: UV 4. 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: 18 days. Feb: 15 days. Mar: 16 days. Apr: 11 days. May: 7 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 2 days. Oct: 5 days. Nov: 13 days. Dec: 16 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall is trending drier by about 21 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 23°C | Aug · 22°C |
| Coldest month | Jan 2025 · -5°C | Jan · -5°C |
| Wettest month | Jul 2025 · 319 mm | Jul · 215 mm |
| Windiest month | May 2025 · 11 km/h | Feb · 11 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Wet June best
Wet July best
Wet August best
Wet September best
Fair October best
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -5°C | 0°C / -9°C | 15days (144 mm) Wet | 5.2h Fair | 80% Humid | 1.6 Low | Poor | View Details |
| February | 6°C / -3°C | 2°C / -7°C | 13days (105 mm) Wet | 6.6h Fair | 79% Humid | 2.3 Moderate | Poor | View Details |
| March | 8°C / -1°C | 5°C / -5°C | 15days (112 mm) Wet | 8.3h Good | 77% Humid | 3.3 Moderate | Poor | View Details |
| April | 12°C / 2°C | 10°C / -1°C | 16days (120 mm) Wet | 9.9h Good | 77% Humid | 4.9 Moderate | Poor | View Details |
| May | 16°C / 6°C | 15°C / 4°C | 22days (210 mm) Wet | 9.7h Good | 80% Humid | 5.4 High | Wet | View Details |
| June best | 21°C / 11°C | 22°C / 11°C | 20days (187 mm) Wet | 11.2h Excellent | 78% Humid | 6.5 High | Wet | View Details |
| July best | 22°C / 13°C | 22°C / 13°C | 21days (215 mm) Wet | 11h Excellent | 79% Humid | 6.2 High | Wet | View Details |
| August best | 22°C / 13°C | 23°C / 13°C | 19days (211 mm) Wet | 10h Excellent | 81% Humid | 5.4 High | Wet | View Details |
| September best | 18°C / 9°C | 18°C / 8°C | 17days (151 mm) Wet | 8.6h Good | 84% Humid | 4.1 Moderate | Fair | View Details |
| October best | 14°C / 5°C | 13°C / 3°C | 13days (121 mm) Wet | 7.2h Good | 83% Humid | 2.9 Moderate | Fair | View Details |
| November | 8°C / 0°C | 6°C / -3°C | 14days (113 mm) Wet | 5.6h Fair | 84% Humid | 1.7 Low | Poor | View Details |
| December | 4°C / -3°C | 1°C / -7°C | 15days (129 mm) Wet | 4.7h Fair | 81% Humid | 1.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Rettenberg 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 Rettenberg, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Rettenberg is August, with average daytime highs of 22°C (71°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Rettenberg is January, with average overnight lows of -5°C (22°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Rettenberg is July, averaging 215mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Rettenberg runs through May, July, June, August, with the heaviest rainfall in May. Based on 10-year averages for Rettenberg.
Rettenberg receives approximately 98 sunshine hours per year. The sunniest month is June with around 11 hours. Based on climate data for Rettenberg.
The least favorable months to visit Rettenberg are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Rettenberg is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Rettenberg is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Rettenberg receives snow. Months with snowfall average 11 snow days and 38 cm (15 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Rettenberg are 10 km/h (6 mph). The windiest month is February with peak winds reaching 11 km/h (7 mph) (gusts up to 38 km/h / 23 mph).
Rettenberg averages 4 clear-sky days per month with overall cloud cover around 64%. The clearest skies occur in March.
The annual average dew point in Rettenberg is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Rettenberg 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 Rettenberg ranges from 1°C (34°F) to 11°C (52°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
June is not the best time to visit Rettenberg, with a climate score of 6.8/10. Consider visiting during June, July, August, September, October instead for better conditions.
For June in Rettenberg, pack Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+). With average highs of 21°C (70°F) and 20 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.
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