Arenal, Guanacaste, Costa Rica Climate

Weather: 34.6°C/94.28°F, Wind SW at 5.14 km/h, 55% Humidity, 0% Chance of rain

Costa Rica
(Photo by Chris Day on Unsplash)
Contents

Arenal Climate Summary

Located at an elevation of 138.01 meters (452.79 feet) above sea level, Arenal has a Tropical wet and dry or savanna climate (Classification: Aw). The district’s yearly temperature is 27.42ºC (81.36ºF) and it is 3.85% higher than Costa Rica’s averages. Arenal typically receives about 109.35 millimeters (4.31 inches) of precipitation and has 146.9 rainy days (40.25% of the time) annually.

CountryCosta Rica
CityGuanacaste
LongitudeNone
LatitudeNone
Attitude/Elevation138.01m (452.79ft)
Local timeMonday 09:21
Annual high temperature30.77ºC (87.39ºF)
Annual low temperature22.7ºC (72.86ºF)
Average annual precip.109.35mm (4.31in)
Warmest monthApril (34.41ºC / 93.94ºF)
Coldest MonthJanuary (21.68ºC / 71.02ºF)
Wettest MonthOctober (272.81mm / 10.74in)
Driest MonthMarch (1.37mm / 0.05in)
Number of days with rainfall (≥ 1.0 mm)146.9 days (40.25%)
Days with no rain218.1 days (59.75%)
Humidity74.35%

Climate Arenal: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)35.41(95.74)36.39(97.5)36.39(97.5)37.38(99.28)36.39(97.5)34.43(93.97)34.43(93.97)34.43(93.97)33.44(92.19)32.46(90.43)31.48(88.66)32.46(90.43)37.38(99.28)
Average high °C (°F)30.33(86.59)32.08(89.74)33.38(92.08)34.41(93.94)32.47(90.45)30.31(86.56)29.93(85.87)30.32(86.58)29.51(85.12)28.52(83.34)28.78(83.8)29.1(84.38)30.77(87.39)
Daily mean °C (°F)26.81(80.26)28.03(82.45)29.13(84.43)30.11(86.2)29.11(84.4)27.35(81.23)26.98(80.56)27.12(80.82)26.6(79.88)25.92(78.66)25.88(78.58)25.97(78.75)27.42(81.36)
Average low °C (°F)21.68(71.02)22.01(71.62)22.5(72.5)23.9(75.02)24.55(76.19)23.52(74.34)22.9(73.22)22.74(72.93)22.69(72.84)22.23(72.01)22.05(71.69)21.69(71.04)22.7(72.86)
Record low °C (°F)16.72(62.1)17.7(63.86)19.67(67.41)19.67(67.41)21.64(70.95)18.69(65.64)20.66(69.19)0.0(0)19.67(67.41)16.72(62.1)16.72(62.1)17.7(63.86)0.0(0)
Average precipitation mm (inches)1.62(0.06)2.0(0.08)1.37(0.05)22.61(0.89)146.37(5.76)172.19(6.78)150.38(5.92)190.77(7.51)225.46(8.88)272.81(10.74)115.45(4.55)11.11(0.44)109.35(4.31)
Average precipitation days (≥ 1.0 mm)0.350.810.355.117.9720.6617.0818.8725.4924.1513.682.4112.25
Average relative humidity (%)69.5464.3261.1761.0169.4379.9879.9280.2483.5685.2981.7576.0374.35
Mean monthly sunshine hours8.659.4511.2711.1910.9112.0112.0311.2510.149.8210.7411.1510.72

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Arenal in recent years.

Arenal

Arenal Temperature by Month

April
30.11°C | 86.2°F
March
29.13°C | 84.43°F
May
29.11°C | 84.4°F
February
28.03°C | 82.45°F
June
27.35°C | 81.23°F
August
27.12°C | 80.82°F
July
26.98°C | 80.56°F
January
26.81°C | 80.26°F
September
26.6°C | 79.88°F
December
25.97°C | 78.75°F
October
25.92°C | 78.66°F
November
25.88°C | 78.58°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature34.43°C (93.97°F)31.18°C (88.12°F)29.51°C (85.12°F)
Avg Temperature30.49°C (86.88°F)28.13°C (82.63°F)26.56°C (79.81°F)
Min Temperature24.59°C (76.26°F)24.13°C (75.43°F)23.61°C (74.5°F)
Dew PointMaxAverageMin
Dew Point23.61°C (74.5°F)22.49°C (72.48°F)20.66°C (69.19°F)
PrecipitationMaxAverageMinSum
Precipitation28.03mm | 1.1in8.58mm | 0.34in0.0mm | 0in257.35mm | 10.13in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.74kmh | 9.78mph7.61kmh | 4.73mph3.93kmh | 2.44mph
Gust Wind24.59kmh | 15.28mph12.07kmh | 7.5mph6.89kmh | 4.28mph
Sea Level PressureMaxAverageMin
Sea Level Pressure28.03mb8.58mb0.0mb
Arenal

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-06-0127.54 | 81.5723.61 | 74.58210.82 | 6.7229.34 | 993.445.9 | 0.23
2019-06-0228.52 | 83.3423.61 | 74.5818.85 | 5.529.34 | 993.4420.56 | 0.81
2019-06-0328.52 | 83.3422.62 | 72.72766.89 | 4.2829.37 | 994.422.46 | 0.1
2019-06-0429.51 | 85.1222.62 | 72.72725.9 | 3.6729.37 | 994.420.1 | 0.0
2019-06-0530.49 | 86.8822.62 | 72.72708.85 | 5.529.37 | 994.423.44 | 0.14
2019-06-0629.51 | 85.1222.62 | 72.72737.87 | 4.8929.34 | 993.445.41 | 0.21
2019-06-0728.52 | 83.3421.64 | 70.95747.87 | 4.8929.34 | 993.446.3 | 0.25
2019-06-0828.52 | 83.3422.62 | 72.72765.9 | 3.6729.34 | 993.4421.15 | 0.83
2019-06-0928.52 | 83.3422.62 | 72.72776.89 | 4.2829.37 | 994.4210.92 | 0.43
2019-06-1029.51 | 85.1221.64 | 70.95725.9 | 3.6729.37 | 994.423.15 | 0.12
2019-06-1128.52 | 83.3422.62 | 72.72746.89 | 4.2829.37 | 994.4212.69 | 0.5
2019-06-1228.52 | 83.3421.64 | 70.95746.89 | 4.2829.37 | 994.4224.39 | 0.96
2019-06-1327.54 | 81.5722.62 | 72.72794.92 | 3.0629.39 | 995.419.87 | 0.78
2019-06-1427.54 | 81.5722.62 | 72.72796.89 | 4.2829.37 | 994.420.98 | 0.04
2019-06-1528.52 | 83.3422.62 | 72.72808.85 | 5.529.37 | 994.424.03 | 0.16
2019-06-1627.54 | 81.5722.62 | 72.72806.89 | 4.2829.34 | 993.442.66 | 0.1
2019-06-1728.52 | 83.3422.62 | 72.72788.85 | 5.529.31 | 992.450.0 | 0
2019-06-1828.52 | 83.3422.62 | 72.72787.87 | 4.8929.31 | 992.450.1 | 0.0
2019-06-1929.51 | 85.1222.62 | 72.727610.82 | 6.7229.28 | 991.470.1 | 0.0
2019-06-2026.56 | 79.8123.61 | 74.5864.92 | 3.0629.31 | 992.4515.74 | 0.62
2019-06-2127.54 | 81.5723.61 | 74.5863.93 | 2.4429.34 | 993.4415.05 | 0.59
2019-06-2227.54 | 81.5722.62 | 72.72824.92 | 3.0629.37 | 994.422.07 | 0.08
2019-06-2327.54 | 81.5722.62 | 72.72807.87 | 4.8929.37 | 994.4217.61 | 0.69
2019-06-2427.54 | 81.5722.62 | 72.72796.89 | 4.2829.37 | 994.425.51 | 0.22
2019-06-2526.56 | 79.8122.62 | 72.72844.92 | 3.0629.37 | 994.4228.03 | 1.1
2019-06-2627.54 | 81.5721.64 | 70.95799.84 | 6.1129.34 | 993.443.15 | 0.12
2019-06-2726.56 | 79.8121.64 | 70.957813.77 | 8.5629.31 | 992.450.2 | 0.01
2019-06-2827.54 | 81.5720.66 | 69.197415.74 | 9.7829.31 | 992.450.2 | 0.01
2019-06-2927.54 | 81.5721.64 | 70.95785.9 | 3.6729.34 | 993.442.56 | 0.1
2019-06-3027.54 | 81.5722.62 | 72.72814.92 | 3.0629.34 | 993.4423.02 | 0.91

Arenal 11 Year Historical Weather Data

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