Cayenne May Weather Averages

French Guiana

May Weather Averages for Cayenne

High Temp	28°C	83°F
Low Temp	24°C	75°F
Avg Temp	26°C	78°F
Sunshine Hours	27 hours
Rainfall	572.75 mm	22.55 In
Rain days	24 days
Pressure	1012 mb	30 In

Cayenne May Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	28°C / 83°F	24°C / 75°F	26°C / 78°F	119 hours	171.42 mm / 6.75 In	13 days	1013 mb / 30 In
2010	28°C / 83°F	25°C / 76°F	26°C / 79°F	14 hours	700.21 mm / 27.57 In	29 days	1012 mb / 30 In
2011	29°C / 84°F	24°C / 76°F	26°C / 80°F	21 hours	526.81 mm / 20.74 In	28 days	1011 mb / 30 In
2012	30°C / 85°F	24°C / 75°F	26°C / 80°F	48 hours	338.14 mm / 13.31 In	28 days	1012 mb / 30 In
2013	29°C / 84°F	24°C / 76°F	26°C / 79°F	30 hours	563.67 mm / 22.19 In	25 days	1012 mb / 30 In
2014	28°C / 83°F	24°C / 76°F	26°C / 79°F	29 hours	356.67 mm / 14.04 In	19 days	1012 mb / 30 In
2015	28°C / 83°F	24°C / 76°F	26°C / 79°F	16 hours	743.25 mm / 29.26 In	26 days	1013 mb / 30 In
2016	29°C / 85°F	25°C / 76°F	27°C / 80°F	34 hours	459.71 mm / 18.10 In	26 days	1013 mb / 30 In
2017	29°C / 84°F	24°C / 76°F	26°C / 79°F	35 hours	676.76 mm / 26.64 In	29 days	1012 mb / 30 In
2018	27°C / 81°F	24°C / 75°F	25°C / 78°F	16 hours	510.67 mm / 20.10 In	25 days	1013 mb / 30 In
2019	28°C / 83°F	25°C / 76°F	26°C / 79°F	13 hours	505.67 mm / 19.91 In	27 days	1012 mb / 30 In
2020	28°C / 82°F	24°C / 75°F	25°C / 78°F	0 hours	809.09 mm / 31.85 In	31 days	1013 mb / 30 In
2021	27°C / 81°F	23°C / 73°F	25°C / 76°F	0 hours	786.77 mm / 30.98 In	30 days	1013 mb / 30 In
2022	28°C / 82°F	23°C / 74°F	25°C / 77°F	2 hours	794.04 mm / 31.26 In	27 days	1013 mb / 30 In
2023	28°C / 83°F	24°C / 75°F	25°C / 78°F	2 hours	765.40 mm / 30.13 In	30 days	1012 mb / 30 In
2024	28°C / 83°F	24°C / 75°F	26°C / 78°F	4 hours	495.77 mm / 19.52 In	9 days	1012 mb / 30 In
2025	27°C / 81°F	23°C / 74°F	25°C / 77°F	3 hours	632.37 mm / 24.90 In	7 days	1013 mb / 30 In
2026	28°C / 82°F	23°C / 74°F	25°C / 77°F	102 hours	473.14 mm / 18.63 In	29 days	1013 mb / 30 In

Need more than one day of Cayenne history?

Download historical weather for Cayenne, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

Historical weatherDaily and hourly interval data.
Yearly monthly averagesMonthly averages for every year since 2009.
Monthly climate averagesLong-term climate normals by month.
CSV formatReady for Excel, Python, R or your database.

Buy historical weather data Or use the History API

Hotels near Cayenne

Cayenne weather history: common questions

How far back does Cayenne weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Cayenne historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Historical weather data

Buy Cayenne weather history

CSV files from January 2009 to today:

Daily and hourly historical weather
Yearly monthly averages
Monthly climate averages

Buy historical weather data Download a free sample »

For developers

History API

Hourly past weather for Cayenne as JSON, from 2010.

GET https://api.weatherapi.com/v1/history.json?key=YOUR_KEY&q=4.93,-52.33&dt=2026-01-01 Get your free API key Compare plans »