Climate Insights for Tejar

Acosta, Provincia de San José, Costa Rica

Hottest
March
26°C peak
Coldest
January
18°C low
Wettest
October
849mm rain
Best to Visit
February
Mild temps & low rain

Climate Overview

The climate in Tejar is warm and mild. The average annual temperature is 22°C and approximately 5866mm of precipitation falls per year. Tejar receives a notable amount of rainfall throughout the year, including during its driest month. Tejar sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 25° Average: 22° Min: 18° Feb Max: 26° Average: 22° Min: 19° Mar Max: 26° Average: 22° Min: 19° Apr Max: 26° Average: 22° Min: 19° May Max: 26° Average: 22° Min: 20° Jun Max: 25° Average: 22° Min: 20° Jul Max: 25° Average: 22° Min: 20° Aug Max: 25° Average: 22° Min: 19° Sep Max: 25° Average: 22° Min: 19° Oct Max: 25° Average: 21° Min: 19° Nov Max: 25° Average: 21° Min: 19° Dec Max: 25° Average: 21° Min: 19°
Max
Average
Min

Tejar has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is March, when average highs reach 26°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 18°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm 750mm 800mm 850mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 127mm Feb Precipitation: 69mm Mar Precipitation: 101mm Apr Precipitation: 263mm May Precipitation: 625mm Jun Precipitation: 696mm Jul Precipitation: 697mm Aug Precipitation: 756mm Sep Precipitation: 763mm Oct Precipitation: 849mm Nov Precipitation: 642mm Dec Precipitation: 278mm
Precipitation

Tejar is a very wet location, receiving approximately 5866mm of precipitation annually, which averages out to around 489mm per month. The wettest month is October, averaging 849mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 69mm. That's 781mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Tejar is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

88 days until Winter

It is currently autumn in Tejar, which began on September 23, 2026. Tejar sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 26°C, while the coldest stretch bottoms out in January near 18°C. Winter is next, beginning on December 21, 2026 (88 days from now).

Spring

Temperatures range from 19 to 26°C. Rainfall is heavy, totalling around 989mm across the season with a monthly average of 330mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 2150mm across the season with a monthly average of 717mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 2254mm across the season with a monthly average of 751mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 18 to 26°C. Rainfall is heavy, totalling around 473mm across the season with a monthly average of 158mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 22°
Mar 22°
Apr 22°
May 22°
Jun 22°
Jul 22°
Aug 22°
Sep 22°
Oct 21°
Nov 21°
Dec 21°

The best time to visit Tejar is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 69mm per month. By contrast, March can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to 18°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Tejar based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
18 °C
25 °C
4 km/h
127 mm
0 cm
Feb
19 °C
26 °C
4 km/h
69 mm
0 cm
Mar
19 °C
26 °C
4 km/h
101 mm
0 cm
Apr
19 °C
26 °C
3 km/h
263 mm
0 cm
May
20 °C
26 °C
3 km/h
625 mm
0 cm
Jun
20 °C
25 °C
3 km/h
696 mm
0 cm
Jul
20 °C
25 °C
3 km/h
697 mm
0 cm
Aug
19 °C
25 °C
3 km/h
756 mm
0 cm
Sep Current
19 °C
25 °C
3 km/h
763 mm
0 cm
Oct
19 °C
25 °C
3 km/h
849 mm
0 cm
Nov
19 °C
25 °C
3 km/h
642 mm
0 cm
Dec
19 °C
25 °C
3 km/h
278 mm
0 cm
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Metric (°C, km/h)