Costa Rica weather in June
In June, Costa Rica sees average daytime highs of 33°C and overnight lows near 25°C, with 14 mm of rain across 2 wet days and about 13.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 67% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 13 h 24 min at the start of June to 13 h 30 min by month's end. Set against the rest of the year, June is Costa Rica's 3rd-clearest and 1st-windiest month. For the whole year in context, see Costa Rica's year-round climate.
- Daytime high
- 33°
- 3rd warmest
- Overnight low
- 25°
- 9th coldest
- Rainfall
- 14 mm
- 2 wet days
- Daylight
- 13 h 30 min
- 5:24 AM – 6:55 PM
- Cloud cover
- 29%
- 3rd clearest
- Wind
- 9 km/h
- 1st windiest
- Solar energy
- 7.13 kWh/m²
- Travel score
- 4.5
- out of 10
Costa Rica is town in Culiacán Municipality, State of Sinaloa, Mexico.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 33°C through the month.
A typical June day in Costa Rica reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, June runs about 2°C warmer than May and on par with July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 32 | 23 |
| 2 | 32 | 23 |
| 3 | 32 | 23 |
| 4 | 32 | 23 |
| 5 | 32 | 24 |
| 6 | 32 | 24 |
| 7 | 32 | 24 |
| 8 | 32 | 24 |
| 9 | 33 | 24 |
| 10 | 33 | 24 |
| 11 | 33 | 24 |
| 12 | 33 | 25 |
| 13 | 33 | 25 |
| 14 | 33 | 25 |
| 15 | 33 | 25 |
| 16 | 33 | 25 |
| 17 | 33 | 25 |
| 18 | 33 | 25 |
| 19 | 33 | 25 |
| 20 | 33 | 25 |
| 21 | 33 | 26 |
| 22 | 33 | 26 |
| 23 | 33 | 26 |
| 24 | 33 | 26 |
| 25 | 33 | 26 |
| 26 | 33 | 26 |
| 27 | 34 | 26 |
| 28 | 34 | 26 |
| 29 | 34 | 26 |
| 30 | 34 | 26 |
How June really feels in Costa Rica
Once humidity and wind are folded in, June averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Costa Rica weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 14° | 13 | 1.7 | 10.6 | 8.4 |
| Feb | 26° / 15° | 14 | 1.6 | 11.1 | 8.3 |
| Mar | 27° / 16° | 3 | 0.5 | 11.8 | 8.2 |
| Apr | 29° / 18° | 1 | 0.2 | 12.6 | 6.9 |
| May | 31° / 21° | 1 | 0.2 | 13.2 | 5.7 |
| Jun | 33° / 25° | 14 | 2 | 13.5 | 4.5 |
| Jul | 34° / 26° | 108 | 13.7 | 13.4 | 2.9 |
| Aug | 33° / 26° | 168 | 19.1 | 12.9 | 2.6 |
| Sep | 33° / 26° | 175 | 18.4 | 12.2 | 2.9 |
| Oct | 32° / 24° | 43 | 4.7 | 11.4 | 4.6 |
| Nov | 30° / 19° | 38 | 2.2 | 10.8 | 6.6 |
| Dec | 26° / 15° | 14 | 1.7 | 10.5 | 8.2 |
Cloud cover in June
The sky is clear or mostly clear about 67% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 93 | 93 | 93 | 93 | 93 | 92 | 91 | 91 | 91 | 91 | 90 | 89 | 88 | 87 | 86 | 85 | 83 | 82 | 80 | 79 | 77 | 74 | 72 | 69 | 66 | 64 | 61 | 59 | 58 | 56 |
| Cloudier (%) | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 20 | 21 | 23 | 26 | 28 | 31 | 34 | 36 | 39 | 41 | 42 | 44 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 93 | 7 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 92 | 8 |
| 7 | 91 | 9 |
| 8 | 91 | 9 |
| 9 | 91 | 9 |
| 10 | 91 | 9 |
| 11 | 90 | 10 |
| 12 | 89 | 11 |
| 13 | 88 | 12 |
| 14 | 87 | 13 |
| 15 | 86 | 14 |
| 16 | 85 | 15 |
| 17 | 83 | 17 |
| 18 | 82 | 18 |
| 19 | 80 | 20 |
| 20 | 79 | 21 |
| 21 | 77 | 23 |
| 22 | 74 | 26 |
| 23 | 72 | 28 |
| 24 | 69 | 31 |
| 25 | 66 | 34 |
| 26 | 64 | 36 |
| 27 | 61 | 39 |
| 28 | 59 | 41 |
| 29 | 58 | 42 |
| 30 | 56 | 44 |
Chance of precipitation in June
Costa Rica gets around 14 mm of rain over 2 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 8% and peaks near 24% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 | 19 | 21 | 23 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 4 |
| 14 | 4 |
| 15 | 5 |
| 16 | 6 |
| 17 | 7 |
| 18 | 8 |
| 19 | 9 |
| 20 | 10 |
| 21 | 11 |
| 22 | 12 |
| 23 | 13 |
| 24 | 14 |
| 25 | 16 |
| 26 | 18 |
| 27 | 19 |
| 28 | 21 |
| 29 | 23 |
| 30 | 24 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 33 | 30 | 28 | 25 | 23 | 21 | 19 | 18 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 |
| Oppressive (%) | 61 | 64 | 66 | 68 | 70 | 71 | 72 | 72 | 73 | 73 | 74 | 73 | 73 | 72 | 71 | 69 | 68 | 66 | 64 | 62 | 60 | 58 | 55 | 53 | 50 | 49 | 46 | 44 | 42 | 40 |
| Miserable (%) | 3 | 4 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | 17 | 19 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 45 | 48 | 50 | 53 | 55 | 57 | 60 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 3 | 33 | 61 | 3 |
| 2 | 2 | 30 | 64 | 4 |
| 3 | 2 | 28 | 66 | 4 |
| 4 | 2 | 25 | 68 | 5 |
| 5 | 1 | 23 | 70 | 6 |
| 6 | 1 | 21 | 71 | 7 |
| 7 | 1 | 19 | 72 | 8 |
| 8 | 1 | 18 | 72 | 9 |
| 9 | 1 | 16 | 73 | 10 |
| 10 | 1 | 15 | 73 | 11 |
| 11 | 0 | 14 | 74 | 12 |
| 12 | 0 | 13 | 73 | 14 |
| 13 | 0 | 12 | 73 | 15 |
| 14 | 0 | 11 | 72 | 17 |
| 15 | 0 | 10 | 71 | 19 |
| 16 | 0 | 9 | 69 | 22 |
| 17 | 0 | 8 | 68 | 24 |
| 18 | 0 | 7 | 66 | 27 |
| 19 | 0 | 6 | 64 | 30 |
| 20 | 0 | 5 | 62 | 33 |
| 21 | 0 | 4 | 60 | 36 |
| 22 | 0 | 3 | 58 | 39 |
| 23 | 0 | 3 | 55 | 42 |
| 24 | 0 | 2 | 53 | 45 |
| 25 | 0 | 2 | 50 | 48 |
| 26 | 0 | 1 | 49 | 50 |
| 27 | 0 | 1 | 46 | 53 |
| 28 | 0 | 1 | 44 | 55 |
| 29 | 0 | 1 | 42 | 57 |
| 30 | 0 | 0 | 40 | 60 |
Wind in June
Winds average 9 km/h in June, the windiest month of the year.
Across June, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in June
Daylight runs from about 13 h 24 min at the start of June to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 5:25 AM to 5:27 AM, and sunset from 6:49 PM to 6:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 |
| Sunrise (AM) | 5:25 | 5:25 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:26 | 5:26 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 |
| Sunset (PM) | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:58 | 6:58 | 6:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 5:25 | 6:49 |
| 2 | 13.4 | 5:25 | 6:50 |
| 3 | 13.4 | 5:24 | 6:50 |
| 4 | 13.4 | 5:24 | 6:51 |
| 5 | 13.4 | 5:24 | 6:51 |
| 6 | 13.5 | 5:24 | 6:52 |
| 7 | 13.5 | 5:24 | 6:52 |
| 8 | 13.5 | 5:24 | 6:52 |
| 9 | 13.5 | 5:24 | 6:53 |
| 10 | 13.5 | 5:24 | 6:53 |
| 11 | 13.5 | 5:24 | 6:54 |
| 12 | 13.5 | 5:24 | 6:54 |
| 13 | 13.5 | 5:24 | 6:54 |
| 14 | 13.5 | 5:24 | 6:55 |
| 15 | 13.5 | 5:24 | 6:55 |
| 16 | 13.5 | 5:24 | 6:55 |
| 17 | 13.5 | 5:24 | 6:56 |
| 18 | 13.5 | 5:25 | 6:56 |
| 19 | 13.5 | 5:25 | 6:56 |
| 20 | 13.5 | 5:25 | 6:56 |
| 21 | 13.5 | 5:25 | 6:57 |
| 22 | 13.5 | 5:25 | 6:57 |
| 23 | 13.5 | 5:25 | 6:57 |
| 24 | 13.5 | 5:26 | 6:57 |
| 25 | 13.5 | 5:26 | 6:57 |
| 26 | 13.5 | 5:26 | 6:58 |
| 27 | 13.5 | 5:26 | 6:58 |
| 28 | 13.5 | 5:27 | 6:58 |
| 29 | 13.5 | 5:27 | 6:58 |
| 30 | 13.5 | 5:27 | 6:58 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 7.13 kWh/m².
For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 7.81 kWh/m² in May across the year — June's 7.13 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 | 6.7 | 6.7 | 6.6 | 6.5 | 6.5 | 6.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.6 | Intense |
| 2 | 7.6 | Intense |
| 3 | 7.6 | Intense |
| 4 | 7.5 | Intense |
| 5 | 7.5 | Intense |
| 6 | 7.5 | Intense |
| 7 | 7.4 | Intense |
| 8 | 7.4 | Intense |
| 9 | 7.4 | Intense |
| 10 | 7.3 | Intense |
| 11 | 7.3 | Intense |
| 12 | 7.3 | Intense |
| 13 | 7.3 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.2 | Intense |
| 16 | 7.2 | Intense |
| 17 | 7.1 | Intense |
| 18 | 7.1 | Intense |
| 19 | 7.0 | Intense |
| 20 | 7.0 | Intense |
| 21 | 6.9 | Intense |
| 22 | 6.9 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.5 | Intense |
| 29 | 6.5 | Intense |
| 30 | 6.4 | Intense |
Hazard calendar for Costa Rica
In June, Costa Rica sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Costa Rica sits in the eastern Pacific hurricane zone; the season peaks August–September.
Costa Rica's rainy season runs July–September, when most of the year's rain falls.
Is June a good time to visit Costa Rica?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Costa Rica for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Costa Rica in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Costa Rica sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection.
Sea temperature near Costa Rica in June
The nearest coast averages about 28°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in August at about 30°C and coldest in February near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 21 | 22 | 25 | 28 | 29 | 30 | 30 | 29 | 26 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 22 | Refreshing |
| May | 25 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 26 | Warm |
| Dec | 23 | Refreshing |
UV index in Costa Rica in June
Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Costa Rica peaks around May 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 8 | 10 | 12 | 12 | 11 | 12 | 11 | 10 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | High |
Air quality in Costa Rica in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Costa Rica is worst in May — around 43 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (January, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 11 | 13 | 18 | 43 | 23 | 17 | 12 | 13 | 13 | 11 | 11 |
| Level | Good | Good | Moderate | Moderate | Poor | Moderate | Moderate | Good | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 13 | Moderate |
| Apr | 18 | Moderate |
| May | 43 | Poor |
| Jun | 23 | Moderate |
| Jul | 17 | Moderate |
| Aug | 12 | Good |
| Sep | 13 | Moderate |
| Oct | 13 | Moderate |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Costa Rica?
Costa Rica sits at 24.6°N, 107.4°W, 30 m above sea level, in Mexico. The nearest listed city is Licenciado Benito Juárez, 17 km away.
Topography around Costa Rica
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Costa Rica.
Within 3 km, the terrain around Costa Rica has only modest variations in elevation — a maximum elevation change of 21 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 401 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,932 m.
The land around Costa Rica is covered by cropland (64%) within 3 km, cropland (62%) within 16 km, and trees (39%), water (27%) and cropland (20%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Costa Rica (24.5907°, -107.3899°, elevation 30 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).