Chacarita weather in January

In January, Chacarita sees average daytime highs of 29°C and overnight lows near 23°C, with 24 mm of rain across 8 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 68% of the time in January, and the air most often feels muggy.

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 Chacarita's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Chacarita's year-round climate.

Daytime high
29°
4th warmest
Overnight low
23°
2nd coldest
Rainfall
24 mm
8 wet days
Daylight
11 h 30 min
6:04 AM – 5:33 PM
Cloud cover
32%
2nd clearest
Wind
7 km/h
3rd windiest
Solar energy
5.37 kWh/m²
Travel score
5.9
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Chacarita reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Chacarita

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chacarita weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°24811.55.9
Feb31° / 23°164.511.75.7
Mar31° / 23°309.711.94.9
Apr30° / 24°12222.512.23.7
May28° / 24°41229.912.53.1
Jun28° / 24°41229.712.63.0
Jul28° / 24°36930.512.53.2
Aug28° / 23°41430.712.33.2
Sep28° / 23°40929.812.13.2
Oct27° / 23°47930.611.83.2
Nov28° / 23°28227.211.53.7
Dec28° / 23°8217.611.45.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58119
68119
78119
88119
98119
108218
118218
128218
138218
148218
158218
168416
178416
188416
198515
208614
218614
228713
238713
248713
258812
268812
278812
288812
298812
308911
318911

Chance of precipitation in January

Any precipitation

Chacarita gets around 24 mm of rain over 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 26% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
239
338
438
537
636
735
834
933
1031
1130
1229
1328
1427
1526
1625
1724
1823
1922
2021
2120
2219
2319
2418
2517
2617
2717
2816
2916
3016
3116

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1065836
2066034
3076033
4076231
5086329
6096427
70106525
80106624
90116722
100126721
110136720
120146818
130156817
140166717
150176716
160176815
170186814
180186814
190186913
200196813
210196912
220196912
230196912
240187111
250187111
261187011
271187011
281187110
291197010
301197010
311206910

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

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 5:59 AM to 6:06 AM, and sunset from 5:25 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:595:25
211.46:005:26
311.46:005:26
411.46:015:27
511.46:015:27
611.46:015:28
711.46:025:28
811.46:025:29
911.46:025:29
1011.56:035:30
1111.56:035:30
1211.56:035:31
1311.56:035:31
1411.56:045:32
1511.56:045:32
1611.56:045:33
1711.56:045:33
1811.56:055:34
1911.56:055:34
2011.56:055:35
2111.56:055:35
2211.56:055:35
2311.56:055:36
2411.56:055:36
2511.56:055:37
2611.56:065:37
2711.56:065:38
2811.56:065:38
2911.56:065:38
3011.66:065:39
3111.66:065:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.47 kWh/m² in March across the year — January's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Chacarita

In seasonPeak

None of Chacarita's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chacarita's rainy season runs May–November, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Chacarita?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
1st-best month of the year
7.8
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Chacarita for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chacarita in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Chacarita sees daytime highs around 29°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Chacarita 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 21 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.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Tropical

UV index in Chacarita in January

LowModerateHighVery highExtreme

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 Chacarita peaks around March 12 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 12UV 13Dec 17UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec9Very high

Air quality in Chacarita in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Chacarita is worst in May — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1617 µg/m³Jan 19 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr16Moderate
May18Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep14Moderate
Oct12Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Chacarita?

Chacarita sits at 10.0°N, 84.8°W, 7 m above sea level, in Costa Rica. The nearest listed city is Puntarenas, 7.0 km away.

San_Ramon_MonteverdeJacoQuesadaLa FortunaSan Rafael Abajo

Topography around Chacarita

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chacarita.

Within 3 km, the terrain around Chacarita has only modest variations in elevation — a maximum elevation change of 27 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 977 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,891 m.

The land around Chacarita is covered by water (42%) and mangroves (27%) within 3 km, water (39%) and trees (30%) within 16 km, and trees (50%) and water (28%) within 80 km.

3 km
27 m
16 km
977 m
80 km
2,891 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Puntarenas 7.0 km · Esparza 12 km · San_Ramon_ 36 km · Monteverde 36 km · Jaco 44 km · Quesada 54 km · La Fortuna 56 km · San Rafael Abajo 56 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
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 3%

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 Chacarita (9.9842°, -84.7789°, elevation 7 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).