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Weather in Rio Grande for December 2025

Your guide to Rio Grande weather in December - trends and predictions

    Temperatures

  • The forecast for the first days of December 2025 in Rio Grande predicts temperatures to be around 22 °C, close to the historical average.

  • In general, the average temperature in Rio Grande at the beginning of December is 22.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.1 °C by the end of December.

    • Rain 🌧️

  • Rio Grande experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 238 mm.

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/18°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Rio Grande Weather December

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

Temperatures trend during December in Rio Grande

See the weather trend as well as the moving average line

December weather in Rio Grande day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Sunny
Sunny
 19° /14° 0 mm 8
2 Dec. Sunny
Sunny
 22° /17° 0.1 mm 8
3 Dec. Patchy rain possible
Patchy rain possible
 23° /19° 0.2 mm 8
4 Dec. Patchy rain possible
Patchy rain possible
 23° /20° 0.5 mm 8
5 Dec. Partly cloudy
Partly cloudy
 25° /18° 0 mm 9
6 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /20° 26.4 mm 8
7 Dec. Overcast
Overcast
 21° /15° 0 mm 8
8 Dec. Partly cloudy
Partly cloudy
 19° /14° 0 mm 8
9 Dec. Cloudy
Cloudy
 20° /15° 0 mm 8
10 Dec. Patchy rain possible
Patchy rain possible
 21° /18° 2.4 mm 8
11 Dec. Cloudy
Cloudy
 22° /19° 0 mm 8
12 Dec. Overcast
Overcast
 23° /19° 0 mm 8
13 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /20° 12 mm 8
14 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /19° 67.5 mm 8
15 Dec. Moderate rain at times
Moderate rain at times
 21° /18° 19 mm 8
16 Dec. Moderate rain at times
Moderate rain at times
 22° /18° 5.3 mm 8
17 Dec. Heavy rain at times
Heavy rain at times
 22° /17° 4.9 mm 8
18 Dec. Patchy rain possible
Patchy rain possible
 23° /18° 0.4 mm 8
19 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /19° 13.5 mm 8
20 Dec. Patchy rain possible
Patchy rain possible
 26° /19° 3.8 mm 9
21 Dec. Overcast
Overcast
 21° /17° 0 mm 8
22 Dec. Patchy rain possible
Patchy rain possible
 20° /15° 3.2 mm 8
23 Dec. Sunny
Sunny
 23° /17° 0 mm 9
24 Dec. Patchy rain possible
Patchy rain possible
 25° /19° 5.6 mm 9
25 Dec. Patchy rain possible
Patchy rain possible
 22° /18° 2.5 mm 8
26 Dec. Moderate rain at times
Moderate rain at times
 23° /15° 1.7 mm 8
27 Dec. Patchy rain possible
Patchy rain possible
 25° /16° 2.1 mm 9
28 Dec. Patchy rain possible
Patchy rain possible
 23° /17° 1.2 mm 8
29 Dec. Patchy rain possible
Patchy rain possible
 22° /19° 0.7 mm 8
30 Dec. Moderate rain at times
Moderate rain at times
 24° /19° 2.4 mm 8
31 Dec. Patchy rain possible
Patchy rain possible
 23° /20° 0.6 mm 8
Next
Important Notice
Our weather forecast for Rio Grande in December 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 Rio Grande forecast closer to your planned date for the most up-to-date weather information.
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Rio Grande in December - FAQ

What are the expected maximum and minimum temperatures in Rio Grande during December?
During December, expect a variety of temperatures with highs around 23° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rio Grande during December?
Significant rainfall exceeding 238 mm is expected in Rio Grande during December, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rio Grande during December?
The average wind speed in Rio Grande during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Rio Grande

Explore the daily rainfall trends and prepare for Rio Grandes December weather 💧
Typically, Rio Grande has 21 rainy days in December with a total of 238 mm of rainfall.

UV exposure in Rio Grande during December

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

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Get accurate weather forecasts for Rio Grande, located at latitude -32.035 and longitude -52.099. Stay updated with localized weather information tailored for Rio Grande.

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