Nicoya weather in April
In April, Nicoya sees average daytime highs of 36°C and overnight lows near 24°C, with 38 mm of rain across 7 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 34% of the time in April, and the air most often feels muggy.
Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Nicoya's 5th-clearest and 5th-windiest month. For the whole year in context, see Nicoya's year-round climate.
- Daytime high
- 36°
- 1st warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 38 mm
- 7 wet days
- Daylight
- 12 h 12 min
- 5:35 AM – 5:49 PM
- Cloud cover
- 56%
- 5th clearest
- Wind
- 10 km/h
- 5th windiest
- Solar energy
- 6.48 kWh/m²
- Travel score
- 2.2
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 36°C through the month.
A typical April day in Nicoya reaches about 36°C in the afternoon and slips back to 24°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 38°C. Set against its neighbours, April runs on par with March and about 3°C warmer than May.
| 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) | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 36 | 24 |
| 2 | 36 | 24 |
| 3 | 36 | 24 |
| 4 | 36 | 24 |
| 5 | 36 | 24 |
| 6 | 36 | 24 |
| 7 | 36 | 24 |
| 8 | 36 | 24 |
| 9 | 36 | 24 |
| 10 | 36 | 24 |
| 11 | 36 | 24 |
| 12 | 36 | 24 |
| 13 | 36 | 24 |
| 14 | 36 | 24 |
| 15 | 36 | 24 |
| 16 | 36 | 24 |
| 17 | 36 | 24 |
| 18 | 36 | 24 |
| 19 | 36 | 24 |
| 20 | 36 | 24 |
| 21 | 36 | 24 |
| 22 | 36 | 24 |
| 23 | 36 | 24 |
| 24 | 36 | 24 |
| 25 | 35 | 24 |
| 26 | 35 | 25 |
| 27 | 35 | 25 |
| 28 | 35 | 25 |
| 29 | 35 | 25 |
| 30 | 35 | 25 |
How April really feels in Nicoya
Once humidity and wind are folded in, April 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nicoya weather by month
How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 33° / 22° | 6 | 1.3 | 11.5 | 4.6 |
| Feb | 34° / 23° | 7 | 1.9 | 11.7 | 3.9 |
| Mar | 35° / 23° | 7 | 2 | 11.9 | 3.1 |
| Apr | 36° / 24° | 38 | 7 | 12.2 | 2.2 |
| May | 33° / 24° | 251 | 20.5 | 12.5 | 2.4 |
| Jun | 31° / 23° | 319 | 26.2 | 12.6 | 2.6 |
| Jul | 31° / 23° | 226 | 22.4 | 12.5 | 3.0 |
| Aug | 31° / 23° | 257 | 24.4 | 12.3 | 2.8 |
| Sep | 31° / 23° | 347 | 28.1 | 12.1 | 2.5 |
| Oct | 30° / 23° | 359 | 28 | 11.8 | 2.8 |
| Nov | 30° / 22° | 143 | 15.6 | 11.5 | 4.1 |
| Dec | 31° / 22° | 21 | 3.6 | 11.4 | 5.1 |
Cloud cover in April
The sky is clear or mostly clear about 34% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 45%. 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 (%) | 74 | 72 | 71 | 70 | 69 | 68 | 67 | 66 | 65 | 63 | 63 | 62 | 60 | 60 | 58 | 57 | 56 | 54 | 53 | 51 | 49 | 46 | 44 | 41 | 38 | 37 | 35 | 32 | 31 | 30 |
| Cloudier (%) | 26 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 37 | 37 | 38 | 40 | 40 | 42 | 43 | 44 | 46 | 47 | 49 | 51 | 54 | 56 | 59 | 62 | 63 | 65 | 68 | 69 | 70 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 74 | 26 |
| 2 | 72 | 28 |
| 3 | 71 | 29 |
| 4 | 70 | 30 |
| 5 | 69 | 31 |
| 6 | 68 | 32 |
| 7 | 67 | 33 |
| 8 | 66 | 34 |
| 9 | 65 | 35 |
| 10 | 63 | 37 |
| 11 | 63 | 37 |
| 12 | 62 | 38 |
| 13 | 60 | 40 |
| 14 | 60 | 40 |
| 15 | 58 | 42 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 54 | 46 |
| 19 | 53 | 47 |
| 20 | 51 | 49 |
| 21 | 49 | 51 |
| 22 | 46 | 54 |
| 23 | 44 | 56 |
| 24 | 41 | 59 |
| 25 | 38 | 62 |
| 26 | 37 | 63 |
| 27 | 35 | 65 |
| 28 | 32 | 68 |
| 29 | 31 | 69 |
| 30 | 30 | 70 |
Chance of precipitation in April
Nicoya gets around 38 mm of rain over 7 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 23% and peaks near 38% 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 (%) | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 23 | 24 | 25 | 26 | 28 | 29 | 31 | 32 | 33 | 35 | 36 | 37 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 13 |
| 3 | 14 |
| 4 | 14 |
| 5 | 15 |
| 6 | 15 |
| 7 | 16 |
| 8 | 16 |
| 9 | 17 |
| 10 | 17 |
| 11 | 18 |
| 12 | 18 |
| 13 | 19 |
| 14 | 20 |
| 15 | 21 |
| 16 | 21 |
| 17 | 23 |
| 18 | 24 |
| 19 | 25 |
| 20 | 26 |
| 21 | 28 |
| 22 | 29 |
| 23 | 31 |
| 24 | 32 |
| 25 | 33 |
| 26 | 35 |
| 27 | 36 |
| 28 | 37 |
| 29 | 38 |
| 30 | 38 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 82% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 27 | 26 | 26 | 25 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 8 | 7 |
| Muggy (%) | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 59 | 60 | 59 | 58 | 58 | 57 | 55 | 55 | 54 | 52 | 51 | 50 | 49 | 48 | 47 | 45 | 44 | 43 | 42 | 41 |
| Oppressive (%) | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 24 | 25 | 26 | 28 | 30 | 31 | 33 | 35 | 37 | 39 | 41 | 42 | 44 | 46 | 48 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 27 | 60 | 12 | 0 |
| 2 | 1 | 26 | 60 | 13 | 0 |
| 3 | 1 | 26 | 60 | 13 | 0 |
| 4 | 1 | 25 | 60 | 14 | 0 |
| 5 | 1 | 25 | 60 | 14 | 0 |
| 6 | 1 | 24 | 60 | 15 | 0 |
| 7 | 1 | 23 | 60 | 16 | 0 |
| 8 | 1 | 23 | 60 | 16 | 0 |
| 9 | 1 | 22 | 60 | 17 | 0 |
| 10 | 1 | 21 | 60 | 18 | 0 |
| 11 | 1 | 21 | 59 | 19 | 0 |
| 12 | 1 | 20 | 60 | 19 | 0 |
| 13 | 1 | 19 | 59 | 20 | 1 |
| 14 | 1 | 19 | 58 | 21 | 1 |
| 15 | 1 | 18 | 58 | 22 | 1 |
| 16 | 1 | 17 | 57 | 24 | 1 |
| 17 | 1 | 17 | 55 | 25 | 2 |
| 18 | 1 | 16 | 55 | 26 | 2 |
| 19 | 1 | 15 | 54 | 28 | 2 |
| 20 | 1 | 14 | 52 | 30 | 3 |
| 21 | 1 | 14 | 51 | 31 | 3 |
| 22 | 1 | 13 | 50 | 33 | 3 |
| 23 | 1 | 12 | 49 | 35 | 4 |
| 24 | 0 | 11 | 48 | 37 | 4 |
| 25 | 0 | 10 | 47 | 39 | 4 |
| 26 | 0 | 9 | 45 | 41 | 4 |
| 27 | 0 | 9 | 44 | 42 | 4 |
| 28 | 0 | 8 | 43 | 44 | 4 |
| 29 | 0 | 8 | 42 | 46 | 5 |
| 30 | 0 | 7 | 41 | 48 | 5 |
Wind in April
Winds average 10 km/h in April.
Across April, daily wind ranges from about 8 km/h on the calmest days to 11 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | 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 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 06 min at the start of April to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over April. Sunrise moves from 5:44 AM to 5:29 AM, and sunset from 5:49 PM to 5:50 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) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 5:44 | 5:43 | 5:43 | 5:42 | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:36 | 5:35 | 5:35 | 5:34 | 5:34 | 5:33 | 5:33 | 5:32 | 5:32 | 5:31 | 5:31 | 5:30 | 5:30 | 5:30 | 5:29 | 5:29 |
| Sunset (PM) | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 5:44 | 5:49 |
| 2 | 12.1 | 5:43 | 5:49 |
| 3 | 12.1 | 5:43 | 5:49 |
| 4 | 12.1 | 5:42 | 5:49 |
| 5 | 12.1 | 5:42 | 5:49 |
| 6 | 12.1 | 5:41 | 5:49 |
| 7 | 12.1 | 5:40 | 5:49 |
| 8 | 12.2 | 5:40 | 5:49 |
| 9 | 12.2 | 5:39 | 5:49 |
| 10 | 12.2 | 5:39 | 5:49 |
| 11 | 12.2 | 5:38 | 5:49 |
| 12 | 12.2 | 5:37 | 5:49 |
| 13 | 12.2 | 5:37 | 5:49 |
| 14 | 12.2 | 5:36 | 5:49 |
| 15 | 12.2 | 5:36 | 5:49 |
| 16 | 12.2 | 5:35 | 5:49 |
| 17 | 12.2 | 5:35 | 5:49 |
| 18 | 12.2 | 5:34 | 5:49 |
| 19 | 12.3 | 5:34 | 5:49 |
| 20 | 12.3 | 5:33 | 5:49 |
| 21 | 12.3 | 5:33 | 5:49 |
| 22 | 12.3 | 5:32 | 5:49 |
| 23 | 12.3 | 5:32 | 5:49 |
| 24 | 12.3 | 5:31 | 5:49 |
| 25 | 12.3 | 5:31 | 5:49 |
| 26 | 12.3 | 5:30 | 5:49 |
| 27 | 12.3 | 5:30 | 5:49 |
| 28 | 12.3 | 5:30 | 5:49 |
| 29 | 12.3 | 5:29 | 5:49 |
| 30 | 12.3 | 5:29 | 5:50 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.48 kWh/m².
For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.79 kWh/m² in March across the year — April's 6.48 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) | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 |
| 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 | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.8 | Intense |
| 2 | 6.8 | Intense |
| 3 | 6.8 | Intense |
| 4 | 6.8 | Intense |
| 5 | 6.7 | Intense |
| 6 | 6.7 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Bright |
Hazard calendar for Nicoya
None of Nicoya's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Nicoya's monsoon runs May–October, when most of the year's rain falls.
Is April a good time to visit Nicoya?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a weaker month for outdoor sightseeing in Nicoya.
What to pack for Nicoya in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Nicoya sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection. About 7 days see rain.
Sea temperature near Nicoya in April
The nearest coast averages about 29°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 km away) is warmest in April at about 29°C and coldest in November near 28°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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Nicoya in April
Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nicoya peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very 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) | 11 | 13 | 14 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Nicoya in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Nicoya is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 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) | 7 | 9 | 11 | 19 | 19 | 16 | 20 | 16 | 12 | 9 | 7 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 19 | Moderate |
| May | 19 | Moderate |
| Jun | 16 | Moderate |
| Jul | 20 | Moderate |
| Aug | 16 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Nicoya?
Nicoya sits at 10.2°N, 85.5°W, 128 m above sea level, in Costa Rica. The nearest listed city is Tamarindo, 46 km away.
Topography around Nicoya
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nicoya.
Within 3 km, the terrain around Nicoya has significant variations in elevation — a maximum elevation change of 375 m around an average of 171 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 924 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,977 m.
The land around Nicoya is covered by trees (64%) and grassland (26%) within 3 km, trees (74%) and grassland (25%) within 16 km, and trees (41%) and water (41%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- 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 Nicoya (10.1504°, -85.4509°, elevation 128 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. 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).