Arin, Peru — Weather in August 2026

Monthly climate averages for Arin, Peru. Based on 10-year ERA5 reanalysis data.

Cwb Subtropical Highland
6.9 /10
Good

August is a good month in Arin

Climate Overview

Arin, Peru in August has mild conditions, with highs averaging 19.6°C (67°F) and noticeably cooler mornings. Rain falls on about 11 days this month.

This month falls at the end of Winter.

Temperatures remain fairly steady throughout August, with daily highs around 20°C (68°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 10.2h of sunshine at the start of August, increasing to 10.7h by the end.

The warmest days tend to fall around the 16th, averaging 19.9°C (68°F).

Compared to July, this month is about 0°C cooler with 6 more rainy days.

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Monthly August Averages

Temperature
20°C / 10°C
Feels Like
19°C / 10°C
Rain
11 days · 35 mm
Sunshine
10.4h / day
Humidity
67% — Humid
Wind
8 km/h
Wind Direction
NNW (344°)
Gusts
33 km/h
Daylight
11.7 h
Cloud Cover
48%
Clear Sky Days
3.6
UV Index
8.4 — Very High
Dew Point
9°C — Dry
Moon Phase
Waxing Crescent · 3%
Snow Days
1 days · 0.9 cm

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 21°C 18°C 15°C 12°C 9°C 6°C 151015202531
HighLow

Daily Precipitation

0 mm 1 mm 2 mm 3 mm 4 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 3 6 9 12 15 151015202531
Wind Speed
Sun Position
Sunrise 06:04
Daylight 11.7h
Sunset 17:44

Compare Months

January
Wet
Temp
19°C / 12°C
Feels Like
21°C / 12°C
Rain
29days (237 mm) Wet
Sun
9h Good
Humidity
84% Humid
UV
7.6 Very High
Snow Days
2days
View Details
February
Wet
Temp
19°C / 13°C
Feels Like
21°C / 13°C
Rain
28days (240 mm) Wet
Sun
8.2h Good
Humidity
86% Very Muggy
UV
7.6 Very High
Snow Days
1days
View Details
March
Wet
Temp
19°C / 12°C
Feels Like
20°C / 12°C
Rain
28days (209 mm) Wet
Sun
8.8h Good
Humidity
85% Humid
UV
6.8 High
Snow Days
2days
View Details
April
Wet
Temp
19°C / 12°C
Feels Like
20°C / 12°C
Rain
21days (109 mm) Wet
Sun
9.7h Good
Humidity
82% Humid
UV
7.5 Very High
Snow Days
1days
View Details
May
Good
Temp
19°C / 11°C
Feels Like
19°C / 11°C
Rain
13days (52 mm) Wet
Sun
10.1h Excellent
Humidity
77% Humid
UV
7.3 Very High
View Details
June best
Excellent
Temp
19°C / 11°C
Feels Like
18°C / 10°C
Rain
5days (19 mm) Good
Sun
10h Excellent
Humidity
70% Muggy
UV
7 High
View Details
July best
Excellent
Temp
20°C / 10°C
Feels Like
18°C / 9°C
Rain
5days (21 mm) Good
Sun
10h Excellent
Humidity
66% Muggy
UV
7.6 Very High
Snow Days
1days
View Details
August
Good
Temp
20°C / 10°C
Feels Like
19°C / 10°C
Rain
11days (35 mm) Wet
Sun
10.4h Excellent
Humidity
67% Muggy
UV
8.4 Very High
Snow Days
1days
View Details
September
Wet
Temp
20°C / 11°C
Feels Like
20°C / 11°C
Rain
19days (70 mm) Wet
Sun
10.6h Excellent
Humidity
72% Muggy
UV
8.7 Very High
View Details
October
Wet
Temp
20°C / 12°C
Feels Like
21°C / 12°C
Rain
26days (141 mm) Wet
Sun
10.2h Excellent
Humidity
77% Humid
UV
8.8 Very High
Snow Days
1days
View Details
November
Wet
Temp
20°C / 13°C
Feels Like
21°C / 13°C
Rain
27days (172 mm) Wet
Sun
9.5h Good
Humidity
79% Humid
UV
8.5 Very High
Snow Days
1days
View Details
December
Wet
Temp
20°C / 12°C
Feels Like
21°C / 13°C
Rain
29days (248 mm) Wet
Sun
9h Good
Humidity
83% Humid
UV
8.2 Very High
Snow Days
2days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 19°C / 12°C 21°C / 12°C 29days (237 mm) Wet 9h Good 84% Humid 7.6 Very High Wet View Details
February 19°C / 13°C 21°C / 13°C 28days (240 mm) Wet 8.2h Good 86% Very Muggy 7.6 Very High Wet View Details
March 19°C / 12°C 20°C / 12°C 28days (209 mm) Wet 8.8h Good 85% Humid 6.8 High Wet View Details
April 19°C / 12°C 20°C / 12°C 21days (109 mm) Wet 9.7h Good 82% Humid 7.5 Very High Wet View Details
May 19°C / 11°C 19°C / 11°C 13days (52 mm) Wet 10.1h Excellent 77% Humid 7.3 Very High Good View Details
June best 19°C / 11°C 18°C / 10°C 5days (19 mm) Good 10h Excellent 70% Muggy 7 High Excellent View Details
July best 20°C / 10°C 18°C / 9°C 5days (21 mm) Good 10h Excellent 66% Muggy 7.6 Very High Excellent View Details
August 20°C / 10°C 19°C / 10°C 11days (35 mm) Wet 10.4h Excellent 67% Muggy 8.4 Very High Good View Details
September 20°C / 11°C 20°C / 11°C 19days (70 mm) Wet 10.6h Excellent 72% Muggy 8.7 Very High Wet View Details
October 20°C / 12°C 21°C / 12°C 26days (141 mm) Wet 10.2h Excellent 77% Humid 8.8 Very High Wet View Details
November 20°C / 13°C 21°C / 13°C 27days (172 mm) Wet 9.5h Good 79% Humid 8.5 Very High Wet View Details
December 20°C / 12°C 21°C / 13°C 29days (248 mm) Wet 9h Good 83% Humid 8.2 Very High Wet View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

August is typically good for visiting Arin, with average highs of 20°C (67°F) and around 11 rainy days. Arin, Peru in August has mild conditions, with highs averaging 19.6°C (67°F) and noticeably cooler mornings. Rain falls
Arin typically sees around 11 rainy days in August with 35 mm (1.4 in) of total rainfall. Pack a waterproof jacket.
Nights in Arin during August are cool at around 10°C (51°F). Bring a jacket or sweater for evenings.
With highs of 20°C (67°F) and lows of 10°C (51°F) in August, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
August is not the most favourable month weather-wise in Arin. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Arin during August is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.
Arin gets approximately 12 hours of daylight per day in August, with around 10 hours of sunshine.
Yes, Arin typically sees around 1 snow days in August with roughly 1 cm (0 in) of snowfall.

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