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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 8 rainy days and a total precipitation of 92.7 mm.

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/6°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
43 %
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?
During May, expect a variety of temperatures with highs around 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santiago during May?
Moderate rainfall is anticipated in Santiago during May, with a total of 92.7 mm spread over approximately 8 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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