Mersa weather in October

In October, Mersa sees average daytime highs of 27°C and overnight lows near 16°C, with 13 mm of rain across 2.9 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 67% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 36 min by month's end. Set against the rest of the year, October is Mersa's 3rd-clearest and 6th-windiest month. For the whole year in context, see Mersa's year-round climate.

Daytime high
27°
7th warmest
Overnight low
16°
6th coldest
Rainfall
13 mm
2.9 wet days
Daylight
11 h 42 min
6:14 AM – 5:59 PM
Cloud cover
32%
3rd clearest
Wind
5 km/h
6th windiest
Solar energy
6.12 kWh/m²
Travel score
8.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Mersa reaches about 27°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, October runs about 2°C cooler than September and about 2°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92816
102816
112816
122816
132816
142816
152716
162716
172716
182715
192715
202715
212715
222715
232715
242715
252715
262714
272714
282714
292714
302714
312714

Mersa weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 13°699.211.47.4
Feb25° / 14°56811.67.2
Mar27° / 15°13413.811.96.3
Apr28° / 16°9811.712.36.3
May30° / 17°234.112.56.1
Jun31° / 18°30.412.75.5
Jul30° / 18°397.712.65.3
Aug29° / 17°5910.612.45.6
Sep29° / 17°102.812.16.8
Oct27° / 16°132.911.78.0
Nov26° / 13°243.411.58.4
Dec25° / 12°384.711.38.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28515
38515
48515
58515
68416
78515
88515
98515
108515
118416
128515
138515
148515
158515
168515
178515
188515
198614
208614
218614
228614
238614
248614
258614
268614
278614
288713
298713
308713
318713

Chance of precipitation in October

Any precipitation

Mersa gets around 13 mm of rain over 2.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
211
311
411
511
611
710
810
910
1010
119
129
139
148
158
168
178
188
198
208
218
228
238
248
257
267
277
287
297
307
317

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19190
290100
390100
489110
589110
689110
789110
889110
989110
1090100
1190100
1290100
139190
149190
159190
169280
179181
189181
199181
209181
219181
229181
239181
249181
259181
269181
279181
289181
299181
309181
319181

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over October. Sunrise moves from 6:13 AM to 6:17 AM, and sunset from 6:07 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:136:07
211.96:136:07
311.96:136:06
411.96:146:05
511.96:146:05
611.86:146:04
711.86:146:04
811.86:146:03
911.86:146:02
1011.86:146:02
1111.86:146:01
1211.86:146:01
1311.86:146:00
1411.86:146:00
1511.76:145:59
1611.76:145:59
1711.76:145:58
1811.76:155:58
1911.76:155:57
2011.76:155:57
2111.76:155:56
2211.76:155:56
2311.76:155:55
2411.76:165:55
2511.66:165:55
2611.66:165:54
2711.66:165:54
2811.66:175:53
2911.66:175:53
3011.66:175:53
3111.66:175:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.12 kWh/m².

For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 6.57 kWh/m² in April across the year — October's 6.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.2Intense
Planning a trip in October

Hazard calendar for Mersa

In seasonPeak

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

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

Mersa sees seasonal dust haze (June–August), heaviest in July.

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

Is October a good time to visit Mersa?

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

8.0
Sightseeing
3rd-best month of the year
8.3
Beach & pool
3rd-best month of the year

October is one of the better times to visit Mersa for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mersa in October

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

In October, Mersa sees daytime highs around 27°C and nights near 16°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Mersa in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mersa peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 15Dec 12UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Mersa in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mersa is worst in June — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateSep 1038 µg/m³Nov 1826 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb30Moderate
Mar32Moderate
Apr28Moderate
May33Moderate
Jun38Poor
Jul34Moderate
Aug37Poor
Sep38Poor
Oct29Moderate
Nov26Moderate
Dec28Moderate
Location & terrain

Where is Mersa?

Mersa sits at 11.7°N, 39.6°E, 1,721 m above sea level, in Ethiopia. The nearest listed city is Weldiya, 19 km away.

Topography around Mersa

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

Within 3 km, the terrain around Mersa has significant variations in elevation — a maximum elevation change of 451 m around an average of 1,673 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,229 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,515 m.

The land around Mersa is covered by cropland (48%) and shrubs (33%) within 3 km, shrubs (41%) and cropland (37%) within 16 km, and shrubs (36%), cropland (29%) and grassland (28%) within 80 km.

3 km
451 m
16 km
2,229 m
80 km
3,515 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Weldiya 19 km · Sifra 41 km · Hāyk’ 41 km · Dessie 59 km · Kombolcha 66 km · Batī 66 km · Lalibela 77 km · Alamata 84 km

Ethiopia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F / L
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$933
2025
Happiness
4.0 / 10
World Happiness, 2025
Safe drinking water
14%
of population, 2024
Homicide rate
8.5
per 100k, 2012
Road deaths
28.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 499
Religion
Ethiopian Orthodox 44%Muslim 31%Protestant 23%other 1%

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 Mersa (11.6667°, 39.65°, elevation 1,721 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).