Dumai weather in February

In February, Dumai sees average daytime highs of 32°C and overnight lows near 25°C, with 123 mm of rain across 16.8 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 11% of the time in February, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of February to 12 hours by month's end. Set against the rest of the year, February is Dumai's 1st-clearest and 1st-windiest month. For the whole year in context, see Dumai's year-round climate.

Daytime high
32°
7th warmest
Overnight low
25°
8th coldest
Rainfall
123 mm
16.8 wet days
Daylight
11 h 54 min
6:30 AM – 6:27 PM
Cloud cover
77%
1st clearest
Wind
7 km/h
1st windiest
Solar energy
5.49 kWh/m²
Travel score
3.2
out of 10

Dumai is city in Riau Province, Indonesia.

Density
202/km²
people per km²
Founded
1999

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical February day in Dumai reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, February runs about 1°C warmer than January and on par with March.

20°25°30°35°151015202528
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225

How February really feels in Dumai

Once humidity and wind are folded in, February averages 28 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
28
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Dumai weather by month

How February compares with the rest of the year at a glance. February is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°20121.311.93.3
Feb32° / 25°12316.811.93.2
Mar32° / 25°21725.1122.5
Apr32° / 25°24927.6122.2
May32° / 25°22426.312.12.3
Jun32° / 25°15621.312.12.7
Jul32° / 24°16220.412.13.0
Aug32° / 24°1952412.12.7
Sep32° / 24°25326.1122.5
Oct31° / 24°30828.2122.4
Nov31° / 24°38728.511.92.4
Dec31° / 24°34327.711.92.7

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in February, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of February, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
11882
21981
31981
42080
52080
62179
72278
82278
92278
102278
112278
122278
132278
142278
152278
162278
172179
182179
192179
202179
212179
222278
232278
242278
252377
262377
272377
282476

Chance of precipitation in February

Any precipitation

Dumai gets around 123 mm of rain over 16.8 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202528
Rain chance (%)
162
262
361
460
560
659
759
859
959
1059
1159
1259
1359
1460
1560
1661
1761
1862
1962
2062
2163
2263
2363
2463
2564
2664
2764
2865

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the miserable band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202528
Muggy (%)Oppressive (%)Miserable (%)
114949
214949
315049
415049
515049
614949
714950
814851
914851
1014752
1114653
1214554
1314455
1414356
1514257
1614158
1714158
1814059
1914059
2014059
2114059
2214059
2304060
2403961
2503961
2603961
2703862
2803862

Wind in February

Winds average 7 km/h in February, the windiest month of the year.

Across February, 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.

0246810151015202528
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 11 h 54 min at the start of February to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over February. Sunrise moves from 6:30 AM to 6:29 AM, and sunset from 6:26 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:306:26
211.96:306:26
311.96:306:26
411.96:306:26
511.96:306:26
611.96:306:26
711.96:306:27
811.96:306:27
911.96:316:27
1011.96:316:27
1111.96:316:27
1211.96:316:27
1311.96:316:27
1411.96:306:27
1511.96:306:27
1611.96:306:27
1711.96:306:27
1811.96:306:27
1912.06:306:27
2012.06:306:27
2112.06:306:27
2212.06:306:27
2312.06:306:27
2412.06:296:27
2512.06:296:27
2612.06:296:27
2712.06:296:27
2812.06:296:27

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.49 kWh/m² in February across the year — February's 5.49 kWh/m² sits near the top of that range.

0246151015202528
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
Planning a trip in February

Is February a good time to visit Dumai?

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

3.2
Sightseeing
2nd-best month of the year
5.0
Beach & pool
1st-best month of the year

February is a weaker month for outdoor sightseeing in Dumai.

What to pack for Dumai in February

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

In February, Dumai sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Dumai in February

The nearest coast averages about 29°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 km away) is warmest in May at about 30°C and coldest in January near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Dumai in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dumai peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 highExtremeFeb 17UV 14Jun 20UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme

Air quality in Dumai in February

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Dumai is worst in September — around 43 µg/m³ PM2.5 (poor), about 2.9× the cleanest month (December, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 943 µg/m³Dec 1015 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb31Moderate
Mar36Poor
Apr26Moderate
May20Moderate
Jun21Moderate
Jul37Poor
Aug42Poor
Sep43Poor
Oct30Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Dumai?

Dumai sits at 1.7°N, 101.4°E, 7 m above sea level, in Indonesia. The nearest listed city is Balai Pungut, 70 km away.

Topography around Dumai

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

Within 3 km, the terrain around Dumai 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, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, only modest variations in elevation — a maximum elevation change of 77 m.

The land around Dumai is covered by artificial surfaces (51%) and trees (31%) within 3 km, trees (66%) and water (20%) within 16 km, and trees (64%) and water (29%) within 80 km.

3 km
27 m
16 km
53 m
80 km
77 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
February weather nearby: Balai Pungut 70 km · Kampung Teluk Kemang 100 km · Sungai Udang 103 km · Port Dickson 103 km · Klebang Besar 104 km · Bukit Rambai 105 km · Malacca 106 km · Kampong Masjid Tanah 107 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Dumai (1.6671°, 101.4432°, 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).