Lasem weather in February

In February, Lasem sees average daytime highs of 29°C and overnight lows near 25°C, with 249 mm of rain across 26.4 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 3rd-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 2% of the time in February, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of February to 12 h 06 min by month's end. Set against the rest of the year, February is Lasem's 12th-clearest and 1st-windiest month. For the whole year in context, see Lasem's year-round climate.

Daytime high
29°
12th warmest
Overnight low
25°
6th coldest
Rainfall
249 mm
26.4 wet days
Daylight
12 h 12 min
5:42 AM – 5:55 PM
Cloud cover
88%
12th clearest
Wind
13 km/h
1st windiest
Solar energy
5.14 kWh/m²
Travel score
2.9
out of 10

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

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

A typical February day in Lasem reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, February runs on par with January and on par with March.

20°25°30°35°151015202528
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925

How February really feels in Lasem

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.

Lasem weather by month

How February compares with the rest of the year at a glance. February is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°28428.912.32.9
Feb29° / 25°24926.412.22.9
Mar29° / 25°23128.1123.0
Apr30° / 26°19224.511.93.3
May30° / 26°10016.811.74.3
Jun30° / 25°6410.711.65.0
Jul30° / 25°355.811.75.7
Aug30° / 24°133.411.85.9
Sep31° / 25°254.5125.4
Oct31° / 25°8713.212.14.3
Nov30° / 25°18923.412.33.2
Dec30° / 25°28128.312.42.9

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in February, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of February, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5694
6793
7793
8793
9892
10991
11991
12991
13991
14991
15991
16991
17991
18991
19892
20793
21793
22793
23892
24892
25892
26892
27892
28991

Chance of precipitation in February

Any precipitation

Lasem gets around 249 mm of rain over 26.4 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202528
Rain chance (%)
197
297
397
496
596
696
795
895
995
1094
1194
1294
1394
1493
1593
1693
1793
1893
1993
2093
2193
2293
2393
2493
2593
2693
2794
2894

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202528
Oppressive (%)Miserable (%)
16337
26436
36436
46535
56535
66535
76535
86436
96436
106337
116238
126139
136040
146040
155941
165842
175842
185743
195644
205644
215644
225545
235545
245545
255446
265446
275446
285446

Wind in February

Winds average 13 km/h in February, the windiest month of the year.

Across February, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202528
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2811calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 12 h 18 min at the start of February to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over February. Sunrise moves from 5:39 AM to 5:43 AM, and sunset from 5:56 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:395:56
212.35:395:56
312.35:405:56
412.35:405:56
512.35:405:56
612.35:405:56
712.35:415:56
812.35:415:56
912.35:415:56
1012.25:415:56
1112.25:425:56
1212.25:425:56
1312.25:425:56
1412.25:425:56
1512.25:425:55
1612.25:425:55
1712.25:435:55
1812.25:435:55
1912.25:435:55
2012.25:435:54
2112.25:435:54
2212.25:435:54
2312.25:435:53
2412.25:435:53
2512.25:435:53
2612.25:435:53
2712.25:435:52
2812.15:435:52

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 6.76 kWh/m² in September across the year — February's 5.14 kWh/m² falls in the middle.

0246151015202528
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
Planning a trip in February

Hazard calendar for Lasem

In seasonPeak

In February, Lasem sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Lasem sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

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

Is February a good time to visit Lasem?

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

2.9
Sightseeing
10th-best month of the year
3.8
Beach & pool
12th-best month of the year

February is a weaker month for outdoor sightseeing in Lasem.

What to pack for Lasem in February

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

In February, Lasem sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Lasem 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 offshore is warmest in November at about 30°C and coldest in August near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Lasem in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lasem peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 17UV 14Jun 16UV 8
UV index (midday)Level
Jan10Extreme
Feb10Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov7Very high
Dec11Extreme

Air quality in Lasem 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 Lasem is worst in May — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1839 µg/m³Feb 1126 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb25Moderate
Mar32Moderate
Apr35Poor
May40Poor
Jun37Poor
Jul34Moderate
Aug33Moderate
Sep35Poor
Oct39Poor
Nov34Moderate
Dec30Moderate
Location & terrain

Where is Lasem?

Lasem sits at 6.7°S, 111.5°E, 12 m above sea level, in Indonesia. The nearest listed city is Rembangan, 12 km away.

Topography around Lasem

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

Within 3 km, the terrain around Lasem has significant variations in elevation — a maximum elevation change of 251 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 787 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Lasem is covered by trees (38%) and cropland (21%) within 3 km, water (40%) and trees (34%) within 16 km, and water (36%), trees (35%) and cropland (24%) within 80 km.

3 km
251 m
16 km
787 m
80 km
1,559 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Rembangan 12 km · Blora 31 km · Juwana 33 km · Pati 46 km · Tayu 47 km · Cepu 53 km · Jekulo 59 km · Baekrajan 67 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 Lasem (-6.6922°, 111.4527°, elevation 12 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).