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Weather in Grand Cayman for May 2026

Your guide to Grand Cayman weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Grand Cayman has been nearly identical to the historical average, with a temperature of 28.3 °C (showing only a slight deviation of 0.1 °C).

  • The forecast for the next days in Grand Cayman predicts temperatures to be around 28 °C, close to the historical average.

  • In general, the average temperature in Grand Cayman at the beginning of May is 28.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.3 °C by the end of May.

    • Rain 🌧️

  • The climate of Grand Cayman in May is notably wet, with an average of 12 rainy days, and a total of 33.4 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/26°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Grand Cayman Weather May

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

Temperatures trend during May in Grand Cayman

See the weather trend as well as the moving average line

May weather in Grand Cayman day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 28° /26° 1.4 mm 10
2 May Patchy rain possible
Patchy rain possible
 28° /26° 1.9 mm 9
3 May Patchy rain possible
Patchy rain possible
 28° /26° 2.5 mm 9
4 May Moderate rain at times
Moderate rain at times
 28° /26° 3.2 mm 10
5 May Moderate rain at times
Moderate rain at times
 28° /25° 4.6 mm 9
6 May Patchy rain possible
Patchy rain possible
 28° /25° 1 mm 10
7 May Moderate rain at times
Moderate rain at times
 29° /26° 2 mm 10
8 May Moderate rain at times
Moderate rain at times
 29° /25° 1.1 mm 10
9 May Patchy rain possible
Patchy rain possible
 28° /27° 0.7 mm 12.5
10 May Partly cloudy
Partly cloudy
 28° /27° 0.1 mm 12.5
11 May Partly cloudy
Partly cloudy
 28° /27° 0 mm 12.4
12 May Sunny
Sunny
 28° /27° 0.1 mm 0.5
13 May Sunny
Sunny
 28° /27° 0 mm 7
14 May Sunny
Sunny
 28° /27° 0 mm 7
15 May Sunny
Sunny
 28° /27° 0 mm 7
16 May Patchy rain possible
Patchy rain possible
 28° /28° 0.2 mm 6
17 May Sunny
Sunny
 28° /28° 0 mm 7
18 May Patchy rain possible
Patchy rain possible
 28° /28° 0.3 mm 6
19 May Patchy rain possible
Patchy rain possible
 28° /27° 1 mm 6
20 May Patchy rain possible
Patchy rain possible
 28° /27° 3.7 mm 6
21 May Patchy rain possible
Patchy rain possible
 28° /27° 0.4 mm 6
22 May Partly cloudy
Partly cloudy
 28° /27° 0 mm 7
23 May Overcast
Overcast
 30° /26° 0 mm 7
24 May Patchy rain possible
Patchy rain possible
 30° /27° 0.2 mm 7
25 May Partly cloudy
Partly cloudy
 29° /27° 0 mm 7
26 May Cloudy
Cloudy
 30° /28° 0 mm 7
27 May Sunny
Sunny
 30° /28° 0 mm 8
28 May Sunny
Sunny
 30° /28° 0 mm 8
29 May Partly cloudy
Partly cloudy
 28° /28° 0 mm 7
30 May Cloudy
Cloudy
 30° /28° 0 mm 7
31 May Partly cloudy
Partly cloudy
 28° /27° 0 mm 7
Next
Important Notice
Our weather forecast for Grand Cayman 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 Grand Cayman forecast closer to your planned date for the most up-to-date weather information.
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Grand Cayman in May - FAQ

What are the expected maximum and minimum temperatures in Grand Cayman during May?

During May, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.

How much rainfall should be expected in Grand Cayman during May?

In May, Grand Cayman can expect light to moderate rainfall, totaling 33.4 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Grand Cayman during May?

The average wind speed in Grand Cayman during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Grand Cayman

Explore the daily rainfall trends and prepare for Grand Caymans May weather 💧
Typically, Grand Cayman has 12 rainy days in May with a total of 33.4 mm of rainfall.

UV exposure in Grand Cayman during May

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

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Location coordinates Where is Grand Cayman?

Get accurate weather forecasts for Grand Cayman, located at latitude 19.323 and longitude -81.249. Stay updated with localized weather information tailored for Grand Cayman.

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