Tejar weather in January
In January, Tejar sees average daytime highs of 25°C and overnight lows near 18°C, with 136 mm of rain across 22.8 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 43% of the time in January, and the air most often feels humid.
Daylight stretches from about 11 h 24 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is Tejar's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Tejar's year-round climate.
- Daytime high
- 25°
- 5th warmest
- Overnight low
- 18°
- 1st coldest
- Rainfall
- 136 mm
- 22.8 wet days
- Daylight
- 11 h 30 min
- 6:02 AM – 5:31 PM
- Cloud cover
- 48%
- 2nd clearest
- Wind
- 4 km/h
- 3rd windiest
- Solar energy
- 5.07 kWh/m²
- Travel score
- 5.1
- out of 10
Tejar is human settlement in Costa Rica.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 25°C through the month.
A typical January day in Tejar reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 18 |
| 2 | 25 | 18 |
| 3 | 25 | 18 |
| 4 | 25 | 18 |
| 5 | 25 | 18 |
| 6 | 25 | 18 |
| 7 | 25 | 18 |
| 8 | 25 | 18 |
| 9 | 25 | 18 |
| 10 | 25 | 18 |
| 11 | 25 | 18 |
| 12 | 25 | 18 |
| 13 | 25 | 18 |
| 14 | 25 | 18 |
| 15 | 25 | 18 |
| 16 | 25 | 18 |
| 17 | 25 | 18 |
| 18 | 25 | 18 |
| 19 | 25 | 18 |
| 20 | 25 | 18 |
| 21 | 25 | 18 |
| 22 | 25 | 18 |
| 23 | 25 | 18 |
| 24 | 26 | 18 |
| 25 | 26 | 18 |
| 26 | 26 | 18 |
| 27 | 26 | 18 |
| 28 | 26 | 18 |
| 29 | 26 | 18 |
| 30 | 26 | 18 |
| 31 | 26 | 18 |
Tejar weather by month
How January compares with the rest of the year at a glance. January is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 18° | 136 | 22.8 | 11.5 | 5.1 |
| Feb | 26° / 18° | 81 | 18.1 | 11.7 | 5.5 |
| Mar | 27° / 19° | 103 | 21.1 | 11.9 | 5.1 |
| Apr | 26° / 19° | 263 | 27.5 | 12.2 | 3.9 |
| May | 26° / 19° | 660 | 30.9 | 12.4 | 3.3 |
| Jun | 25° / 19° | 720 | 30 | 12.6 | 3.3 |
| Jul | 25° / 19° | 743 | 31 | 12.5 | 3.3 |
| Aug | 25° / 19° | 814 | 31 | 12.3 | 3.3 |
| Sep | 25° / 19° | 748 | 30 | 12.1 | 3.3 |
| Oct | 25° / 19° | 750 | 31 | 11.8 | 3.4 |
| Nov | 25° / 19° | 547 | 29.8 | 11.6 | 3.5 |
| Dec | 25° / 18° | 275 | 27.7 | 11.4 | 4.2 |
Cloud cover in January
The sky is clear or mostly clear about 43% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 29% of January, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 68 | 69 | 69 | 69 | 71 | 71 | 73 | 73 | 75 | 75 | 76 | 77 | 77 | 78 | 79 | 79 | 80 | 80 | 80 | 81 |
| Cloudier (%) | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 31 | 29 | 29 | 27 | 27 | 25 | 25 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 19 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 66 | 34 |
| 4 | 66 | 34 |
| 5 | 66 | 34 |
| 6 | 66 | 34 |
| 7 | 67 | 33 |
| 8 | 67 | 33 |
| 9 | 67 | 33 |
| 10 | 67 | 33 |
| 11 | 67 | 33 |
| 12 | 68 | 32 |
| 13 | 69 | 31 |
| 14 | 69 | 31 |
| 15 | 69 | 31 |
| 16 | 71 | 29 |
| 17 | 71 | 29 |
| 18 | 73 | 27 |
| 19 | 73 | 27 |
| 20 | 75 | 25 |
| 21 | 75 | 25 |
| 22 | 76 | 24 |
| 23 | 77 | 23 |
| 24 | 77 | 23 |
| 25 | 78 | 22 |
| 26 | 79 | 21 |
| 27 | 79 | 21 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 80 | 20 |
| 31 | 81 | 19 |
Chance of precipitation in January
Tejar gets around 136 mm of rain over 22.8 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 73% and peaks near 82% on the wettest days. The odds ease 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 82 | 81 | 81 | 80 | 80 | 79 | 79 | 78 | 77 | 77 | 76 | 75 | 74 | 74 | 73 | 72 | 71 | 71 | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 |
| Rain chance (%) | |
|---|---|
| 1 | 82 |
| 2 | 81 |
| 3 | 81 |
| 4 | 80 |
| 5 | 80 |
| 6 | 79 |
| 7 | 79 |
| 8 | 78 |
| 9 | 77 |
| 10 | 77 |
| 11 | 76 |
| 12 | 75 |
| 13 | 74 |
| 14 | 74 |
| 15 | 73 |
| 16 | 72 |
| 17 | 71 |
| 18 | 71 |
| 19 | 70 |
| 20 | 70 |
| 21 | 69 |
| 22 | 69 |
| 23 | 69 |
| 24 | 69 |
| 25 | 69 |
| 26 | 68 |
| 27 | 68 |
| 28 | 67 |
| 29 | 67 |
| 30 | 66 |
| 31 | 66 |
Humidity in January
Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the humid band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 38% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Humid (%) | 45 | 46 | 47 | 48 | 50 | 51 | 52 | 54 | 55 | 55 | 57 | 58 | 59 | 60 | 61 | 62 | 62 | 63 | 63 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 |
| Muggy (%) | 54 | 53 | 52 | 50 | 49 | 47 | 46 | 44 | 43 | 42 | 40 | 39 | 37 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 |
| Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|
| 1 | 1 | 45 | 54 |
| 2 | 1 | 46 | 53 |
| 3 | 1 | 47 | 52 |
| 4 | 2 | 48 | 50 |
| 5 | 2 | 50 | 49 |
| 6 | 2 | 51 | 47 |
| 7 | 2 | 52 | 46 |
| 8 | 2 | 54 | 44 |
| 9 | 2 | 55 | 43 |
| 10 | 3 | 55 | 42 |
| 11 | 3 | 57 | 40 |
| 12 | 3 | 58 | 39 |
| 13 | 4 | 59 | 37 |
| 14 | 4 | 60 | 36 |
| 15 | 4 | 61 | 35 |
| 16 | 4 | 62 | 34 |
| 17 | 5 | 62 | 33 |
| 18 | 5 | 63 | 32 |
| 19 | 5 | 63 | 32 |
| 20 | 5 | 64 | 31 |
| 21 | 5 | 64 | 31 |
| 22 | 5 | 64 | 31 |
| 23 | 5 | 65 | 30 |
| 24 | 5 | 65 | 30 |
| 25 | 5 | 65 | 30 |
| 26 | 5 | 65 | 30 |
| 27 | 5 | 65 | 30 |
| 28 | 5 | 65 | 30 |
| 29 | 5 | 64 | 31 |
| 30 | 5 | 64 | 31 |
| 31 | 5 | 64 | 31 |
Wind in January
Winds average 4 km/h in January.
Across January, daily wind ranges from about 3 km/h on the calmest days to 4 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 3 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 24 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over January. Sunrise moves from 5:57 AM to 6:03 AM, and sunset from 5:23 PM to 5:37 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 |
| Sunrise (AM) | 5:57 | 5:57 | 5:58 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 |
| Sunset (PM) | 5:23 | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 5:57 | 5:23 |
| 2 | 11.4 | 5:57 | 5:24 |
| 3 | 11.4 | 5:58 | 5:24 |
| 4 | 11.4 | 5:58 | 5:25 |
| 5 | 11.4 | 5:58 | 5:25 |
| 6 | 11.5 | 5:59 | 5:26 |
| 7 | 11.5 | 5:59 | 5:26 |
| 8 | 11.5 | 5:59 | 5:27 |
| 9 | 11.5 | 6:00 | 5:27 |
| 10 | 11.5 | 6:00 | 5:28 |
| 11 | 11.5 | 6:00 | 5:28 |
| 12 | 11.5 | 6:01 | 5:29 |
| 13 | 11.5 | 6:01 | 5:29 |
| 14 | 11.5 | 6:01 | 5:30 |
| 15 | 11.5 | 6:01 | 5:30 |
| 16 | 11.5 | 6:02 | 5:31 |
| 17 | 11.5 | 6:02 | 5:31 |
| 18 | 11.5 | 6:02 | 5:32 |
| 19 | 11.5 | 6:02 | 5:32 |
| 20 | 11.5 | 6:02 | 5:33 |
| 21 | 11.5 | 6:02 | 5:33 |
| 22 | 11.5 | 6:03 | 5:34 |
| 23 | 11.5 | 6:03 | 5:34 |
| 24 | 11.5 | 6:03 | 5:35 |
| 25 | 11.5 | 6:03 | 5:35 |
| 26 | 11.5 | 6:03 | 5:35 |
| 27 | 11.5 | 6:03 | 5:36 |
| 28 | 11.6 | 6:03 | 5:36 |
| 29 | 11.6 | 6:03 | 5:37 |
| 30 | 11.6 | 6:03 | 5:37 |
| 31 | 11.6 | 6:03 | 5:37 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.07 kWh/m².
For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.13 kWh/m² in March across the year — January's 5.07 kWh/m² falls in the middle.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.0 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.4 | Bright |
| 28 | 5.4 | Bright |
| 29 | 5.4 | Bright |
| 30 | 5.4 | Bright |
| 31 | 5.5 | Bright |
Hazard calendar for Tejar
None of Tejar's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Tejar's rainy season runs May–November, when most of the year's rain falls.
Is January a good time to visit Tejar?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Tejar for sightseeing.
What to pack for Tejar in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Tejar sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.
Sea temperature near Tejar in January
The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in March at about 30°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 | 30 | 30 | 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 | 30 | Tropical |
| Apr | 30 | 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 Tejar in January
Clear-sky midday UV in January 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 Tejar peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 | 11 | 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 | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Tejar in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Tejar is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 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) | 9 | 10 | 11 | 17 | 19 | 17 | 18 | 17 | 16 | 14 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Tejar?
Tejar sits at 9.7°N, 84.2°W, 999 m above sea level, in Costa Rica. The nearest listed city is San Rafael Abajo, 12 km away.
Topography around Tejar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tejar.
Within 3 km, the terrain around Tejar has large variations in elevation — a maximum elevation change of 1,074 m around an average of 900 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,461 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,470 m.
The land around Tejar is covered by trees (54%) and grassland (46%) within 3 km, trees (77%) and grassland (22%) within 16 km, and trees (58%) and water (27%) 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 Tejar (9.743°, -84.2322°, elevation 999 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).