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Weather in Santiago for May 2026

Your guide to Santiago weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Santiago at the beginning of May is 16.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 16.9 °C by the end of May.

    • Rain 🌧️

  • Santiago experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 76 mm.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/7°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
42 %
Avg humidity

Santiago Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
15°
2
Sunny
16°
3
Sunny
18°
4
Sunny
18°
5
Overcast
17°
6
Sunny
15°
7
Overcast
16°
8
Partly cloudy
16°
9
Sunny
18°
10
Overcast
20°
11
Partly cloudy
18°
12
Cloudy
20°
13
Sunny
19°
14
Sunny
21°
15
Sunny
17°
16
Sunny
15°
17
Heavy rain at times
11°
18
Overcast
15°
19
Overcast
16°
20
Overcast
17°
21
Moderate rain at times
14°
22
Moderate or heavy rain shower
16°
23
Patchy rain possible
13°
24
Partly cloudy
15°
25
Patchy rain possible
13°
26
Cloudy
13°
27
Partly cloudy
15°
28
Overcast
19°
29
Partly cloudy
20°
30
Overcast
19°
31
Overcast
19°

Temperatures trend during May in Santiago

See the weather trend as well as the moving average line

May weather in Santiago day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Sunny
Sunny
 15° /5° 2.3 mm 5
2 May Sunny
Sunny
 16° /7° 0 mm 5
3 May Sunny
Sunny
 18° /8° 0 mm 6
4 May Sunny
Sunny
 18° /9° 0 mm 6
5 May Overcast
Overcast
 17° /8° 0 mm 5
6 May Sunny
Sunny
 15° /6° 0 mm 5
7 May Overcast
Overcast
 16° /3° 9.8 mm 5
8 May Partly cloudy
Partly cloudy
 16° /5° 0.2 mm 5
9 May Sunny
Sunny
 18° /6° 0 mm 5
10 May Overcast
Overcast
 20° /9° 0 mm 5
11 May Partly cloudy
Partly cloudy
 18° /8° 0 mm 6
12 May Cloudy
Cloudy
 20° /9° 0.2 mm 6
13 May Sunny
Sunny
 19° /8° 0 mm 6
14 May Sunny
Sunny
 21° /9° 0 mm 6
15 May Sunny
Sunny
 17° /6° 0.7 mm 5
16 May Sunny
Sunny
 15° /5° 0 mm 5
17 May Heavy rain at times
Heavy rain at times
 11° /4° 4.3 mm 3
18 May Overcast
Overcast
 15° /6° 0.1 mm 5
19 May Overcast
Overcast
 16° /7° 8.2 mm 4
20 May Overcast
Overcast
 17° /6° 12.6 mm 4
21 May Moderate rain at times
Moderate rain at times
 14° /7° 11.5 mm 5
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /5° 14 mm 4
23 May Patchy rain possible
Patchy rain possible
 13° /5° 6.6 mm 4
24 May Partly cloudy
Partly cloudy
 15° /7° 0.1 mm 5
25 May Patchy rain possible
Patchy rain possible
 13° /5° 0.3 mm 4
26 May Cloudy
Cloudy
 13° /4° 1.6 mm 4
27 May Partly cloudy
Partly cloudy
 15° /5° 3.5 mm 5
28 May Overcast
Overcast
 19° /8° 0 mm 5
29 May Partly cloudy
Partly cloudy
 20° /8° 0 mm 6
30 May Overcast
Overcast
 19° /9° 0 mm 5
31 May Overcast
Overcast
 19° /8° 0 mm 5
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Important Notice
Our weather forecast for Santiago in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santiago forecast closer to your planned date for the most up-to-date weather information.
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Santiago in May - FAQ

What are the expected maximum and minimum temperatures in Santiago during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santiago during May?
Moderate rainfall is anticipated in Santiago during May, with a total of 76 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santiago during May?
The average wind speed in Santiago during May is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

Santiago water temperatures in May

The average water temperature of the Pacific Ocean near Santiago in May is 12.6 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Santiago in May?
The average water temperature in Santiago in May is 12.6 °C.
Can you swim in Santiago in May?
Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.

May rainfall patterns in Santiago

Explore the daily rainfall trends and prepare for Santiagos May weather 💧

UV exposure in Santiago during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Santiago?

Get accurate weather forecasts for Santiago, located at latitude -33.457 and longitude -70.648. Stay updated with localized weather information tailored for Santiago.

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