Lerma, Spain experiences average highs of 18°C (64°F) and lows of 8°C (46°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 1.0°C (1.8°F) across the available records.
Lerma, Spain Weather & Climate 2026
Monthly climate averages for Lerma, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.2/10
Best: June, July, August, September
UV Index
5
Low
Temperature 18°C / 8°C
Feels Like 15°C / 5°C
Rainy Days 9
Rainfall 51 mm
Sunshine 9 h
Humidity 68%
Wind Speed 18 km/h
Dew Point 7°C
Snow Days 3 days
Frost Days 7 days
Hottest Month
30°C
August
Avg Low16°C
Rain3days
Coldest Month
1°C
January
Avg High8°C
Rain10days
Driest Month
3days
July
Avg High30°C
Avg Low16°C
Windiest Month
21 km/h
March (Gusts 43)
Worst Time to Visit
Consider avoiding January, February, November, December due to frequent rain.
Sun Position
Sunrise 06:40
Daylight 15.2h
Sunset 21:54
Live conditions—
Lerma on the map · live conditions
Lerma, Spain
- Continent
- Europe
- Country
- Spain
- City
- Lerma
- Population
- 2.6K
- Coordinates
- 42.03°, -3.76°
Seasonal Breakdown
Spring
Mar–May
Avg High 16°C
Avg Low 5°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 15°C
Rain 5 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 9°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 1°C
Rain 9 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: 8°C / 1°C . Feb: 11°C / 1°C . Mar: 12°C / 3°C . Apr: 16°C / 5°C . May: 20°C / 8°C . Jun: 25°C / 13°C . Jul: 30°C / 16°C . Aug: 30°C / 16°C . Sep: 24°C / 12°C . Oct: 19°C / 9°C . Nov: 12°C / 4°C . Dec: 9°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 65 mm. Feb: 52 mm. Mar: 66 mm. Apr: 70 mm. May: 51 mm. Jun: 48 mm. Jul: 10 mm. Aug: 14 mm. Sep: 31 mm. Oct: 68 mm. Nov: 80 mm. Dec: 57 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 77%. Mar: 73%. Apr: 69%. May: 65%. Jun: 60%. Jul: 51%. Aug: 48%. Sep: 58%. Oct: 67%. Nov: 81%. Dec: 85%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 21 km/h . Apr: 18 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 19 km/h . Aug: 19 km/h . Sep: 17 km/h . Oct: 17 km/h . Nov: 18 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 10h. May: 12h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 4 days. Feb: 3 days. Mar: 4 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 1.0°C (1.8°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 31°C | Aug · 30°C |
| Coldest month | Feb 2025 · 1°C | Jan · 1°C |
| Wettest month | Mar 2025 · 118 mm | Nov · 80 mm |
| Windiest month | Mar 2025 · 21 km/h | Mar · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Good 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 | 8°C / 1°C | 4°C / -3°C | 10days (65 mm) Wet | 5.7h Fair | 83% Humid | 2.3 Moderate | Poor | View Details |
| February | 11°C / 1°C | 7°C / -2°C | 8days (52 mm) Wet | 7.2h Good | 77% Humid | 3.2 Moderate | Poor | View Details |
| March | 12°C / 3°C | 9°C / -1°C | 13days (66 mm) Wet | 8.7h Good | 73% Muggy | 4.4 Moderate | Poor | View Details |
| April | 16°C / 5°C | 13°C / 2°C | 12days (70 mm) Wet | 10.3h Excellent | 69% Muggy | 6.2 High | Fair | View Details |
| May | 20°C / 8°C | 18°C / 6°C | 10days (51 mm) Wet | 12.1h Excellent | 65% Muggy | 7.1 Very High | Good | View Details |
| June best | 25°C / 13°C | 24°C / 12°C | 9days (48 mm) Wet | 12.7h Excellent | 60% Moderate | 7.6 Very High | Excellent | View Details |
| July best | 30°C / 16°C | 29°C / 15°C | 3days (10 mm) Excellent | 13.3h Excellent | 51% Moderate | 8.1 Very High | Excellent | View Details |
| August best | 30°C / 16°C | 29°C / 15°C | 3days (14 mm) Excellent | 12.3h Excellent | 48% Moderate | 7.3 Very High | Excellent | View Details |
| September best | 24°C / 12°C | 22°C / 11°C | 6days (31 mm) Good | 10.5h Excellent | 58% Moderate | 5.9 High | Excellent | View Details |
| October | 19°C / 9°C | 17°C / 7°C | 9days (68 mm) Wet | 8h Good | 67% Muggy | 3.9 Moderate | Good | View Details |
| November | 12°C / 4°C | 9°C / 1°C | 12days (80 mm) Wet | 6.2h Fair | 81% Humid | 2.5 Moderate | Poor | View Details |
| December | 9°C / 2°C | 6°C / -1°C | 10days (57 mm) Wet | 5.3h Fair | 85% Humid | 2 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lerma are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lerma, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lerma is August, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lerma is January, with average overnight lows of 1°C (33°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lerma is November, averaging 80mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lerma runs through March, April, November, January, with the heaviest rainfall in March. Based on 10-year averages for Lerma.
Lerma receives approximately 112 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Lerma.
The least favorable months to visit Lerma are January, February, November, December, primarily due to frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Lerma is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Lerma is 68%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Lerma receives snow. Months with snowfall average 3 snow days and 3 cm (1 in) of accumulation, with about 7 frost days during winter.
Average wind speeds in Lerma are 18 km/h (11 mph). The windiest month is March with peak winds reaching 21 km/h (13 mph) (gusts up to 43 km/h / 26 mph).
Lerma averages 6 clear-sky days per month with overall cloud cover around 53%. The clearest skies occur in July.
The annual average dew point in Lerma is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Lerma has a Hot-Summer Mediterranean climate, classified as Csa 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 Lerma ranges from 5°C (41°F) to 15°C (59°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 Lerma. It earns a climate score of 9/10 with Excellent.
For June in Lerma, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 25°C (77°F) and 9 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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