Guaranda weather in December

In December, Guaranda sees average daytime highs of 16°C and overnight lows near 9°C, with 415 mm of rain across 30.3 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Guaranda's 6th-clearest and 6th-windiest month. For the whole year in context, see Guaranda's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
415 mm
30.3 wet days
Daylight
12 h 06 min
6:09 AM – 6:15 PM
Cloud cover
86%
6th clearest
Wind
4 km/h
6th windiest
Solar energy
4.6 kWh/m²
Travel score
2.6
out of 10

Guaranda is city in Ecuador, capital of the Bolívar Province.

Density
110/km²
people per km²
Founded
1571

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 16°C through the month.

A typical December day in Guaranda reaches about 16°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5168
6168
7168
8168
9168
10169
11169
12169
13169
14169
15169
16169
17169
18169
19169
20169
21169
22169
23169
24169
25169
26169
27169
28169
29169
30169
31169

Guaranda weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 45630.612.12.6
Feb16° / 49027.812.12.6
Mar17° / 60530.9122.6
Apr17° / 54529.7122.7
May16° / 36829.811.92.8
Jun16° / 1692411.93.2
Jul16° / 12620.911.93.6
Aug16° / 15521.811.93.5
Sep16° / 29227.7122.8
Oct16° / 34029.8122.6
Nov16° / 34528.412.12.6
Dec16° / 41530.312.12.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17397
18397
19397
20397
21397
22496
23496
24496
25496
26496
27496
28496
29496
30496
31496

Chance of precipitation in December

Any precipitation

Guaranda gets around 415 mm of rain over 30.3 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 98% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
397
497
597
697
797
898
998
1098
1198
1298
1398
1498
1598
1698
1798
1898
1998
2098
2198
2298
2398
2498
2598
2698
2798
2898
2998
3098
3198

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 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
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:03 AM to 6:16 AM, and sunset from 6:08 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:08
212.16:046:09
312.16:046:09
412.16:046:10
512.16:056:10
612.16:056:10
712.16:056:11
812.16:066:11
912.16:066:12
1012.16:076:12
1112.16:076:13
1212.16:086:13
1312.16:086:14
1412.16:096:14
1512.16:096:14
1612.16:096:15
1712.16:106:15
1812.16:106:16
1912.16:116:16
2012.16:116:17
2112.16:126:17
2212.16:126:18
2312.16:136:18
2412.16:136:19
2512.16:146:19
2612.16:146:20
2712.16:156:20
2812.16:156:21
2912.16:166:21
3012.16:166:21
3112.16:166:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.18 kWh/m² in September across the year — December's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Guaranda?

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

2.6
Sightseeing
7th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Guaranda.

What to pack for Guaranda in December

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

In December, Guaranda sees daytime highs around 16°C and nights near 9°C. Pack rain gear. Worth having: a warm layer and sun protection. About 30 days see rain.

rain geara warm layersun protection

UV index in Guaranda in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Guaranda peaks around February 19 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 13 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 19Jul 15UV 13
UV index (midday)Level
Jan18Extreme
Feb19Extreme
Mar19Extreme
Apr16Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep15Extreme
Oct16Extreme
Nov14Extreme
Dec14Extreme

Air quality in Guaranda 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 Guaranda is worst in September — around 21 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1921 µg/m³Jul 1113 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb21Moderate
Mar21Moderate
Apr19Moderate
May16Moderate
Jun13Moderate
Jul13Moderate
Aug17Moderate
Sep21Moderate
Oct20Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Guaranda?

Guaranda sits at 1.6°S, 79.0°W, 2,806 m above sea level, in Ecuador. The nearest listed city is Riobamba, 39 km away.

Topography around Guaranda

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

Within 3 km, the terrain around Guaranda has large variations in elevation — a maximum elevation change of 649 m around an average of 2,767 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,235 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,245 m.

The land around Guaranda is covered by grassland (33%), cropland (30%) and trees (23%) within 3 km, grassland (38%), cropland (31%) and trees (26%) within 16 km, and trees (41%) and grassland (36%) within 80 km.

3 km
649 m
16 km
3,235 m
80 km
6,245 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
December weather nearby: Riobamba 39 km · Montalvo 39 km · Guamote 50 km · Ventanas 54 km · Ambato 57 km · Pelileo 58 km · Babahoyo 63 km · Banos 68 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 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 Guaranda (-1.5911°, -78.999°, elevation 2,806 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. 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).