Tumbes weather in December

In December, Tumbes sees average daytime highs of 28°C and overnight lows near 23°C, with 34 mm of rain across 5.8 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Tumbes's 6th-clearest and 4th-windiest month. For the whole year in context, see Tumbes's year-round climate.

Daytime high
28°
6th warmest
Overnight low
23°
7th coldest
Rainfall
34 mm
5.8 wet days
Daylight
12 h 12 min
6:12 AM – 6:24 PM
Cloud cover
68%
6th clearest
Wind
9 km/h
4th windiest
Solar energy
5.59 kWh/m²
Travel score
6.2
out of 10

Tumbes is city of Peru, capital of Tumbes region.

Founded
1532

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Tumbes reaches about 28°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162823
172823
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How December really feels in Tumbes

Once humidity and wind are folded in, December 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

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

Tumbes weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°7412.312.24.9
Feb29° / 24°14916.612.14.1
Mar29° / 24°16716.6124.2
Apr29° / 24°10312.311.94.8
May29° / 23°417.111.85.7
Jun28° / 22°102.511.87.1
Jul27° / 21°51.311.87.8
Aug27° / 21°10.311.98.1
Sep27° / 21°61.8127.7
Oct27° / 21°102.812.17.3
Nov27° / 21°153.712.27.1
Dec28° / 23°345.812.26.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73664
83664
93664
103664
113664
123565
133565
143466
153466
163565
173565
183565
193565
203565
213565
223565
233565
243466
253466
263466
273367
283367
293268
303268
313268

Chance of precipitation in December

Any precipitation

Tumbes gets around 34 mm of rain over 5.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
113
213
313
413
513
614
714
814
914
1015
1115
1215
1316
1416
1517
1617
1718
1819
1919
2020
2121
2222
2322
2423
2523
2624
2725
2825
2926
3027
3128

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
188390
278490
368590
468491
558591
658591
748691
848691
9386101
10386101
11386101
12287101
13286111
14286111
15185122
16185122
17184132
18183142
19181162
20180172
21079192
22077212
23074233
24073243
25071263
26069283
27067303
28065323
29064333
30062353
31060373

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:06 AM to 6:19 AM, and sunset from 6:17 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:066:17
212.26:066:18
312.26:066:18
412.26:076:19
512.26:076:19
612.26:086:19
712.26:086:20
812.26:086:20
912.26:096:21
1012.26:096:21
1112.26:106:22
1212.26:106:22
1312.26:106:23
1412.26:116:23
1512.26:116:24
1612.26:126:24
1712.26:126:25
1812.26:136:25
1912.26:136:25
2012.26:146:26
2112.26:146:26
2212.26:156:27
2312.26:156:27
2412.26:166:28
2512.26:166:28
2612.26:166:29
2712.26:176:29
2812.26:176:30
2912.26:186:30
3012.26:186:31
3112.26:196:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.59 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 5.9 kWh/m² in November across the year — December's 5.59 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Tumbes

In seasonPeak

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

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

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

Is December a good time to visit Tumbes?

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

6.2
Sightseeing
7th-best month of the year
7.3
Beach & pool
7th-best month of the year

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

What to pack for Tumbes in December

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

In December, Tumbes sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Tumbes in December

The nearest coast averages about 25°C in December — 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 March at about 27°C and coldest in September near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr26Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec25Warm

UV index in Tumbes in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Tumbes peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 19UV 15Jul 11UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Tumbes in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Tumbes is worst in December — around 29 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (August, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1128 µg/m³Aug 219 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May15Moderate
Jun15Moderate
Jul12Moderate
Aug9Good
Sep10Good
Oct14Moderate
Nov27Moderate
Dec29Moderate
Location & terrain

Where is Tumbes?

Tumbes sits at 3.6°S, 80.4°W, 4 m above sea level, in Peru. The nearest listed city is Zarumilla, 20 km away.

Topography around Tumbes

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

Within 3 km, the terrain around Tumbes has only modest variations in elevation — a maximum elevation change of 53 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,619 m.

The land around Tumbes is covered by cropland (30%) and artificial surfaces (27%) within 3 km, water (35%) and shrubs (25%) within 16 km, and water (41%) and trees (32%) within 80 km.

3 km
53 m
16 km
222 m
80 km
2,619 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Zarumilla 20 km · Huaquillas 25 km · Arenillas 42 km · Santa Rosa 54 km · Machala 63 km · Pasaje 75 km · Guabo 76 km · Piñas 86 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 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 Tumbes (-3.5559°, -80.4426°, elevation 4 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).