Siquirres weather in January

In January, Siquirres sees average daytime highs of 24°C and overnight lows near 17°C, with 216 mm of rain across 16.7 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 34% 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 Siquirres's 2nd-clearest and 4th-windiest month. For the whole year in context, see Siquirres's year-round climate.

Daytime high
24°
12th warmest
Overnight low
17°
2nd coldest
Rainfall
216 mm
16.7 wet days
Daylight
11 h 30 min
5:59 AM – 5:27 PM
Cloud cover
54%
2nd clearest
Wind
5 km/h
4th windiest
Solar energy
4.75 kWh/m²
Travel score
6.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical January day in Siquirres reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42417
52417
62417
72417
82417
92417
102417
112417
122417
132417
142417
152417
162417
172417
182417
192417
202417
212417
222417
232417
242417
252417
262417
272417
282417
292417
302417
312417

Siquirres weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 17°21616.711.56.1
Feb24° / 17°15114.411.76.2
Mar25° / 17°15116.711.95.9
Apr26° / 18°12517.612.25.3
May26° / 20°39126.412.53.9
Jun26° / 20°29027.412.63.6
Jul26° / 20°23727.312.53.8
Aug26° / 20°22226.912.33.9
Sep26° / 20°31526.312.13.8
Oct26° / 20°51127.911.83.8
Nov25° / 19°40024.411.54.3
Dec24° / 18°28619.311.45.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 24% of January, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65446
75446
85446
95446
105545
115545
125644
135644
145743
155743
165743
175842
185941
195941
206040
216139
226139
236139
246139
256238
266337
276337
286337
296337
306337
316337

Chance of precipitation in January

Any precipitation

Siquirres gets around 216 mm of rain over 16.7 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 53% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
261
361
461
561
660
760
859
959
1058
1157
1256
1355
1454
1553
1652
1751
1851
1950
2050
2149
2249
2348
2448
2547
2647
2747
2847
2947
3047
3147

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1160390
2162370
3262360
4263350
5264340
6266320
7267310
8367300
9368290
10369280
11469270
12470260
13570250
14571240
15572230
16671230
17672220
18672220
19771220
20771220
21771220
22771220
23771220
24771220
25870220
26870220
27870220
28969220
29968230
30967231
311066231

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:55 AM to 6:01 AM, and sunset from 5:20 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:555:20
211.45:555:20
311.45:555:21
411.45:565:21
511.45:565:22
611.45:565:22
711.45:575:23
811.45:575:23
911.45:575:24
1011.45:585:24
1111.45:585:25
1211.55:585:25
1311.55:595:26
1411.55:595:26
1511.55:595:27
1611.55:595:27
1711.55:595:28
1811.56:005:28
1911.56:005:29
2011.56:005:29
2111.56:005:30
2211.56:005:30
2311.56:005:31
2411.56:005:31
2511.56:015:32
2611.56:015:32
2711.56:015:32
2811.56:015:33
2911.56:015:33
3011.56:015:34
3111.66:015:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.75 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 5.76 kWh/m² in March across the year — January's 4.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in January

Is January a good time to visit Siquirres?

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

6.1
Sightseeing
2nd-best month of the year
5.1
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Siquirres for sightseeing.

What to pack for Siquirres in January

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

In January, Siquirres sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near Siquirres in January

The nearest coast averages about 27°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 34 km away) is warmest in September at about 29°C and coldest in January near 27°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
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Siquirres in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siquirres peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Siquirres 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 Siquirres is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Dec 217 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr13Moderate
May15Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep11Good
Oct10Good
Nov7Good
Dec7Good
Location & terrain

Where is Siquirres?

Siquirres sits at 10.1°N, 83.5°W, 69 m above sea level, in Costa Rica. The nearest listed city is Turrialba, 29 km away.

TurrialbaGuápilesParaísoCartagoPuerto LimónIpísSan DiegoPurral

Topography around Siquirres

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

Within 3 km, the terrain around Siquirres has significant variations in elevation — a maximum elevation change of 486 m around an average of 137 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,108 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,765 m.

The land around Siquirres is covered by trees (78%) within 3 km, trees (81%) within 16 km, and trees (66%) and water (22%) within 80 km.

3 km
486 m
16 km
1,108 m
80 km
3,765 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Turrialba 29 km · Guápiles 33 km · Paraíso 49 km · Cartago 52 km · Puerto Limón 53 km · Ipís 58 km · San Diego 58 km · Purral 60 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 Siquirres (10.0975°, -83.5066°, elevation 69 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).