Coronado, United States experiences average highs of 21°C (70°F) and lows of 14°C (57°F) throughout the year. The climate is relatively dry, with only 4 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have cooled by 0.9°C (1.6°F) across the available records.
Coronado, United States Weather & Climate 2026
Monthly climate averages for Coronado, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
8.7/10
Best: June, July, August, September, October
UV Index
6
High
Temperature 21°C / 14°C
Feels Like 22°C / 14°C
Rainy Days 4
Rainfall 28 mm
Sunshine 11 h
Humidity 76%
Wind Speed 15 km/h
Dew Point 13°C
Hottest Month
26°C
August
Avg Low19°C
Rain0days
Coldest Month
9°C
January
Avg High17°C
Rain7days
Driest Month
0days
August
Avg High26°C
Avg Low19°C
Windiest Month
17 km/h
April (Gusts 36)
Sea Temperature
15°C – 21°C
Warmest water: August (
21°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to less favorable weather conditions.
Sun Position
Sunrise 05:42
Daylight 14.3h
Sunset 19:59
Live conditions—
Coronado on the map · live conditions
Coronado, United States
- Continent
- Americas
- Country
- United States
- City
- Coronado
- Population
- 24.8K
- Elevation
- 5 m
- Coordinates
- 32.69°, -117.18°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 12°C
Rain 5 days/mo
Summer
Jun–Aug
Avg High 25°C
Avg Low 17°C
Rain 1 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 24°C
Avg Low 16°C
Rain 3 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 18°C
Avg Low 10°C
Rain 6 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: 17°C / 9°C . Feb: 18°C / 9°C . Mar: 18°C / 11°C . Apr: 20°C / 12°C . May: 20°C / 14°C . Jun: 23°C / 16°C . Jul: 25°C / 18°C . Aug: 26°C / 19°C . Sep: 26°C / 18°C . Oct: 24°C / 16°C . Nov: 21°C / 12°C . Dec: 18°C / 10°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 64 mm. Feb: 61 mm. Mar: 65 mm. Apr: 20 mm. May: 13 mm. Jun: 1 mm. Jul: 2 mm. Aug: 5 mm. Sep: 9 mm. Oct: 10 mm. Nov: 33 mm. Dec: 49 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 74%. Mar: 78%. Apr: 75%. May: 75%. Jun: 77%. Jul: 78%. Aug: 79%. Sep: 77%. Oct: 75%. Nov: 73%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 15 km/h . Oct: 15 km/h . Nov: 14 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 10h. Nov: 9h. Dec: 8h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 15°C . Mar: 15°C . Apr: 16°C . May: 17°C . Jun: 19°C . Jul: 20°C . Aug: 21°C . Sep: 20°C . Oct: 18°C . Nov: 17°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 4.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have cooled by 0.9°C (1.6°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 · 26°C | Aug · 26°C |
| Coldest month | Jan 2025 · 8°C | Jan · 9°C |
| Wettest month | Mar 2025 · 97 mm | Mar · 65 mm |
| Windiest month | Mar 2025 · 17 km/h | Apr · 17 km/h |
Month-by-Month Weather Table
January
Good 
February
Good March
Good April
Excellent May
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Excellent November
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 17°C / 9°C | 16°C / 7°C | 7days (64 mm) Good | 8.4h Good | 77% Humid | 4 Moderate | Good | View Details |
| February | 18°C / 9°C | 17°C / 8°C | 6days (61 mm) Good | 9.1h Good | 74% Muggy | 4.7 Moderate | Good | View Details |
| March | 18°C / 11°C | 17°C / 9°C | 9days (65 mm) Wet | 10.1h Excellent | 78% Humid | 6.2 High | Good | View Details |
| April | 20°C / 12°C | 20°C / 12°C | 4days (20 mm) Good | 11.4h Excellent | 75% Muggy | 7.4 Very High | Excellent | View Details |
| May | 20°C / 14°C | 20°C / 14°C | 3days (13 mm) Excellent | 12h Excellent | 75% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 23°C / 16°C | 24°C / 17°C | 1days (1 mm) Excellent | 13.1h Excellent | 77% Humid | 8.3 Very High | Excellent | View Details |
| July best | 25°C / 18°C | 28°C / 20°C | 1days (2 mm) Excellent | 13h Excellent | 78% Humid | 8.2 Very High | Excellent | View Details |
| August best | 26°C / 19°C | 29°C / 21°C | 0days (5 mm) Excellent | 12.1h Excellent | 79% Humid | 7.7 Very High | Excellent | View Details |
| September best | 26°C / 18°C | 28°C / 20°C | 2days (9 mm) Excellent | 11.1h Excellent | 77% Humid | 7 High | Excellent | View Details |
| October best | 24°C / 16°C | 24°C / 17°C | 2days (10 mm) Excellent | 10.2h Excellent | 75% Muggy | 5.7 High | Excellent | View Details |
| November | 21°C / 12°C | 20°C / 11°C | 4days (33 mm) Good | 9h Good | 73% Muggy | 4.3 Moderate | Excellent | View Details |
| December | 18°C / 10°C | 17°C / 9°C | 5days (49 mm) Good | 8.1h Good | 76% Humid | 3.6 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Coronado 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 Coronado, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Coronado is August, with average daytime highs of 26°C (79°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Coronado is January, with average overnight lows of 9°C (49°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Coronado is March, averaging 65mm of precipitation across 9 rainy days. An umbrella or waterproof jacket is essential.
Coronado receives approximately 128 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Coronado.
The least favorable months to visit Coronado are January, February, March, December, primarily due to less favorable weather conditions. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Coronado is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Coronado is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Sea temperatures in Summer average 17°C (63°F), which most swimmers will find too cold without a wetsuit.
Average wind speeds in Coronado are 15 km/h (9 mph). The windiest month is April with peak winds reaching 17 km/h (10 mph) (gusts up to 36 km/h / 22 mph).
Coronado averages 8 clear-sky days per month with overall cloud cover around 42%. The clearest skies occur in October.
The annual average dew point in Coronado is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Coronado has a Cold Semi-Arid climate, classified as BSk under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Coronado ranges from 14°C (57°F) to 22°C (72°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 Coronado. It earns a climate score of 9.3/10 with Excellent.
For June in Coronado, pack Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (73°F) and 1 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: