Monthly climate in Boa Vista, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Boa Vista features a tropical monsoon climate (Am). Temperatures typically range between 26 °C (79 °F) and 29 °C (84 °F) through the year, but rarely can drop to 21 °C (71 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1951 mm (76.8 inches) and receives 201 rainy days on the 1 mm (0.04 inches) threshold annually. Boa Vista enjoys an average of 3432 hours of sunshine throughout the year, and daylight varies from 11 hours 57 minutes to 12 hours 16 minutes per day.

Monthly average temperatures in Boa Vista, Brazil §

The warmest months in Boa Vista are March, October and November, with daily mean temperatures ranging from 29 to 29 °C (84 - 84 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 26 to 27 °C (79 - 80 °F) throughout the day. On average each year, Boa Vista experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Boa Vista, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 36°C
(98°F)
36°C
(97°F)
37°C
(99°F)
37°C
(99°F)
36°C
(97°F)
33°C
(92°F)
33°C
(92°F)
34°C
(94°F)
35°C
(95°F)
36°C
(98°F)
37°C
(99°F)
36°C
(97°F)
Mean maximum 35°C
(95°F)
35°C
(95°F)
35°C
(96°F)
35°C
(95°F)
33°C
(92°F)
32°C
(89°F)
32°C
(90°F)
34°C
(93°F)
35°C
(95°F)
35°C
(96°F)
35°C
(96°F)
34°C
(93°F)
Average high 33°C
(91°F)
33°C
(92°F)
33°C
(92°F)
32°C
(90°F)
30°C
(86°F)
30°C
(86°F)
29°C
(85°F)
31°C
(88°F)
33°C
(91°F)
33°C
(92°F)
33°C
(92°F)
32°C
(90°F)
Daily mean 28°C
(83°F)
29°C
(84°F)
29°C
(84°F)
28°C
(83°F)
27°C
(80°F)
26°C
(80°F)
26°C
(79°F)
27°C
(81°F)
28°C
(83°F)
29°C
(84°F)
29°C
(84°F)
28°C
(83°F)
Average low 24°C
(76°F)
25°C
(77°F)
25°C
(77°F)
25°C
(77°F)
24°C
(75°F)
24°C
(75°F)
23°C
(74°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)
25°C
(77°F)
25°C
(76°F)
Mean minimum 23°C
(73°F)
23°C
(74°F)
24°C
(75°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
22°C
(72°F)
22°C
(73°F)
23°C
(74°F)
23°C
(74°F)
24°C
(75°F)
23°C
(74°F)
Minimum 22°C
(72°F)
23°C
(73°F)
23°C
(73°F)
22°C
(73°F)
22°C
(72°F)
22°C
(72°F)
21°C
(71°F)
22°C
(71°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)

Compare climate in Boa Vista with other places

Compare temperature, precipitation, sunshine, UV index in Boa Vista, Brazil with other places around the world.

Monthly average precipitation in Boa Vista, Brazil §

Boa Vista usually has the most precipitation in May, June and July, with an average of 28 rainy days and 349 mm (13.8 inches) of precipitation per month. The driest months in Boa Vista are January, February and March. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Boa Vista, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 52 (2.1) 33 (1.3) 70 (2.7) 164 (6.5) 384 (15.1) 360 (14.2) 304 (12.0) 183 (7.2) 119 (4.7) 71 (2.8) 135 (5.3) 75 (3.0)
Average precipitation days (≥ 1 mm) 7 5 10 15 28 28 28 22 17 11 17 13

Monthly sunshine hours in Boa Vista, Brazil §

The sunniest months in Boa Vista are August, September and October, when the sun shines an average of 10 hours 13 minutes a day. Least sunny months in Boa Vista: January, May and June receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Boa Vista, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 259 284 306 278 244 243 283 314 311 313 284 307
Mean daily daylight hours 11h 57m 12h 0m 12h 5m 12h 9m 12h 14m 12h 16m 12h 15m 12h 11m 12h 6m 12h 2m 11h 58m 11h 57m

Solar UV radiation in Boa Vista, Brazil §

Boa Vista experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. June, July and October are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Boa Vista UV Index data.

Average daily maximum UV levels by month for Boa Vista, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 15 16 16 14 13 12 13 13 13 13 13

Detailed Monthly Weather Insights for Boa Vista, Brazil

Discover in-depth weather details for every month in Boa Vista. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Boa Vista's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.