Arima weather in January

In January, Arima sees average daytime highs of 26°C and overnight lows near 24°C, with 70 mm of rain across 17.3 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 53% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Arima's 1st-clearest and 3rd-windiest month. For the whole year in context, see Arima's year-round climate.

Daytime high
26°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
70 mm
17.3 wet days
Daylight
11 h 24 min
6:31 AM – 5:58 PM
Cloud cover
43%
1st clearest
Wind
23 km/h
3rd windiest
Solar energy
5.24 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 26°C through the month.

A typical January day in Arima reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How January really feels in Arima

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.

Arima weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°7017.311.45.9
Feb26° / 24°3812.111.66.4
Mar27° / 24°329.111.96.8
Apr27° / 25°358.612.26.5
May28° / 25°671412.55.7
Jun27° / 25°14122.912.64.5
Jul27° / 25°16026.712.64.1
Aug28° / 25°16426.812.43.9
Sep28° / 26°12722.612.14.0
Oct28° / 25°14524.111.84.1
Nov27° / 25°16624.711.54.2
Dec27° / 25°11721.711.45.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27426
37525
47624
57624
67624
77723
87624
97624
107624
117624
127624
137525
147525
157525
167426
177525
187525
197525
207525
217723
227723
237723
247822
257822
267822
277822
288020
298020
308020
318020

Chance of precipitation in January

Any precipitation

Arima gets around 70 mm of rain over 17.3 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 55% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
164
264
364
464
563
663
762
862
961
1060
1160
1259
1358
1457
1557
1656
1755
1854
1953
2053
2152
2251
2350
2449
2548
2648
2747
2846
2945
3045
3144

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10892
20991
301090
401189
501189
601288
701387
801486
901585
1001684
1101783
1201882
1301981
1402080
1502179
1602278
1702377
1802476
1902575
2002674
2102773
2202872
2302971
2403070
2503169
2603268
2703268
2803367
2903466
3013465
3113465

Wind in January

Winds average 23 km/h in January.

Across January, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3124breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:27 AM to 6:33 AM, and sunset from 5:50 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:275:50
211.46:275:50
311.46:275:51
411.46:285:51
511.46:285:52
611.46:285:53
711.46:295:53
811.46:295:54
911.46:295:54
1011.46:305:55
1111.46:305:55
1211.46:305:56
1311.46:315:56
1411.46:315:57
1511.46:315:57
1611.46:315:58
1711.46:315:58
1811.56:325:59
1911.56:325:59
2011.56:326:00
2111.56:326:00
2211.56:326:01
2311.56:326:01
2411.56:326:01
2511.56:326:02
2611.56:326:02
2711.56:336:03
2811.56:336:03
2911.56:336:04
3011.56:336:04
3111.56:336:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.24 kWh/m².

For context, solar energy here swings from a low near 4.87 kWh/m² to a high of 6.45 kWh/m² in April across the year — January's 5.24 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Is January a good time to visit Arima?

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

5.9
Sightseeing
4th-best month of the year
5.7
Beach & pool
5th-best month of the year

January is a reasonable time to visit Arima for sightseeing.

What to pack for Arima in January

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

In January, Arima sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 17 days see rain.

rain gearlight clothessun protectiona windbreaker

Sea temperature near Arima 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 28 km away) is warmest in September at about 29°C and coldest in February 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
Mar27Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Arima 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 Arima peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 14Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Arima 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 Arima is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1530 µg/m³Nov 2314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar19Moderate
Apr23Moderate
May26Moderate
Jun31Moderate
Jul24Moderate
Aug18Moderate
Sep15Moderate
Oct17Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Arima?

Arima sits at 10.6°N, 61.3°W, 62 m above sea level, in Trinidad and Tobago. The nearest listed city is Paradise, 9.0 km away.

ParadiseTunapunaSangre GrandeChaguanasLaventillePort of SpainDiego MartinRio Claro

Topography around Arima

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

Within 3 km, the terrain around Arima has significant variations in elevation — a maximum elevation change of 343 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 940 m; within 80 km, large variations in elevation — a maximum elevation change of 961 m.

The land around Arima is covered by artificial surfaces (44%) and trees (41%) within 3 km, trees (70%) within 16 km, and water (72%) and trees (21%) within 80 km.

3 km
343 m
16 km
940 m
80 km
961 m
treesgrasslandartificial surfaceswaterwetland
January weather nearby: Paradise 9.0 km · Tunapuna 12 km · Sangre Grande 18 km · Chaguanas 20 km · Laventille 24 km · Port of Spain 26 km · Diego Martin 32 km · Rio Claro 39 km

Trinidad and Tobago travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
115 / 230 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$18,967
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
40.4
per 100k, 2022
Road deaths
9.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 32%Roman Catholic 22%Hindu 18%other 8%

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 Arima (10.6374°, -61.2823°, elevation 62 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).