Monthly outlook for Las Monjitas, PR: average high 88.8°, average low 76.8°. That is 1.7° above the climate normal for August. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 8 days and 1.7 inches. The warmest day looks like 10 August (92.6°), the coolest 22 August (75.4°).
88.8°/76.8°
Average high / low
+1.7°
Above normal
4 / 8
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
90°
85.9°
+2.3°
18 August – 27 August
86.9°
85.5°
+0.8°
28 August – 6 September
at normal
85.2°
—
August records over 66 years
93.9°9 August 2022All-time high
69.6°22 August 1976All-time low
Climate normals and records are computed from the nearest reference point — Vayas (1 mi).
Sun, 0991° / 77°0
91 °
Las Monjitas, Sunday, 9 August
Mostly clear. High 91°, low 77°.
Pressure30.03 inHg
Wind17.7 mph SE
Humidity56%
Visibility6.2 mi
Dew point71°
Mon, 1093° / 77°0
93 °
Las Monjitas, Monday, 10 August
Mostly clear. High 93°, low 77°.
Pressure30.06 inHg
Wind16.4 mph SE
Humidity55%
Visibility6.2 mi
Dew point71°
Tue, 1189° / 77°0.06
89 °
Las Monjitas, Tuesday, 11 August
Light rain. High 89°, low 77°.
Pressure30.03 inHg
Wind17.4 mph SE
Humidity60%
Visibility6.2 mi
Dew point72°
Wed, 1287° / 77°0
87 °
Las Monjitas, Wednesday, 12 August
Light rain. High 87°, low 77°.
Pressure30.03 inHg
Wind13.5 mph SE
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1387° / 77°0
87 °
Las Monjitas, Thursday, 13 August
Overcast. High 87°, low 77°.
Pressure30.06 inHg
Wind19.3 mph E
Humidity57%
Visibility—
Dew point69°
Fri, 1491° / 76°0
91 °
Las Monjitas, Friday, 14 August
Overcast. High 91°, low 76°.
Pressure30.09 inHg
Wind18.5 mph E
Humidity51%
Visibility—
Dew point67°
Sat, 1592° / 76°0
92 °
Las Monjitas, Saturday, 15 August
Clear. High 92°, low 76°.
Pressure30.03 inHg
Wind19 mph E
Humidity44%
Visibility—
Dew point65°
Sun, 1690° / 77°0
90 °
Las Monjitas, Sunday, 16 August
Partly cloudy. High 90°, low 77°.
Pressure30.03 inHg
Wind18.2 mph SE
Humidity49%
Visibility—
Dew point67°
Mon, 1791° / 77°0.49
91 °
Las Monjitas, Monday, 17 August
Rain. High 91°, low 77°.
Pressure30.00 inHg
Wind14.9 mph SE
Humidity53%
Visibility—
Dew point70°
Tue, 1886° / 77°0.08
86 °
Las Monjitas, Tuesday, 18 August
Light rain. High 86°, low 77°.
Pressure30.03 inHg
Wind10.6 mph SE
Humidity65%
Visibility—
Dew point72°
Wed, 1987° / 78°0
87 °
Las Monjitas, Wednesday, 19 August
Mostly clear. High 87°, low 78°.
Pressure30.06 inHg
Wind10.2 mph SE
Humidity65%
Visibility—
Dew point73°
Thu, 2087° / 78°0.01
87 °
Las Monjitas, Thursday, 20 August
Light rain. High 87°, low 78°.
Pressure30.03 inHg
Wind10.9 mph SE
Humidity61%
Visibility—
Dew point71°
Fri, 2187° / 76°0
87 °
Las Monjitas, Friday, 21 August
Clear. High 87°, low 76°.
Pressure30.03 inHg
Wind13.3 mph SE
Humidity59%
Visibility—
Dew point69°
Sat, 2287° / 75°0.05
87 °
Las Monjitas, Saturday, 22 August
Light rain. High 87°, low 75°.
Pressure30.00 inHg
Wind14.2 mph SE
Humidity58%
Visibility—
Dew point69°
Sun, 2387° / 76°0.01
87 °
Las Monjitas, Sunday, 23 August
Light rain. High 87°, low 76°.
Pressure30.06 inHg
Wind14.9 mph SE
Humidity53%
Visibility—
Dew point66°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2485° / 75°0.17
85 °
Las Monjitas, Monday, 24 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.17 in
Chance of precipitation58%
Record high89° (1966)
Record low71° (1975)
Tue, 2585° / 75°0.12
85 °
Las Monjitas, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.12 in
Chance of precipitation47%
Record high91° (1966)
Record low71° (1969)
Wed, 2685° / 75°0.09
85 °
Las Monjitas, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.09 in
Chance of precipitation60%
Record high91° (1990)
Record low72° (1996)
Thu, 2785° / 75°0.07
85 °
Las Monjitas, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.07 in
Chance of precipitation53%
Record high91° (1990)
Record low72° (1996)
Fri, 2885° / 75°0.13
85 °
Las Monjitas, Friday, 28 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.13 in
Chance of precipitation57%
Record high93° (2021)
Record low72° (1995)
Sat, 2985° / 75°0.07
85 °
Las Monjitas, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.07 in
Chance of precipitation53%
Record high90° (2021)
Record low73° (1961)
Sun, 3085° / 75°0.17
85 °
Las Monjitas, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.17 in
Chance of precipitation53%
Record high90° (1994)
Record low71° (2021)
Mon, 3185° / 75°0.13
85 °
Las Monjitas, Monday, 31 August
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.13 in
Chance of precipitation50%
Record high90° (1996)
Record low73° (2021)
Tue, 0185° / 75°0.1
85 °
Las Monjitas, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.1 in
Chance of precipitation57%
Record high89° (1996)
Record low71° (1986)
Wed, 0285° / 75°0.1
85 °
Las Monjitas, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.1 in
Chance of precipitation63%
Record high90° (2009)
Record low72° (1974)
Thu, 0385° / 75°0.1
85 °
Las Monjitas, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.1 in
Chance of precipitation52%
Record high91° (1960)
Record low72° (1965)
Fri, 0485° / 75°0.09
85 °
Las Monjitas, Friday, 4 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.09 in
Chance of precipitation50%
Record high90° (2021)
Record low71° (1964)
Sat, 0585° / 75°0.24
85 °
Las Monjitas, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.24 in
Chance of precipitation55%
Record high92° (2021)
Record low70° (1961)
Sun, 0685° / 75°0.11
85 °
Las Monjitas, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high85°
Average low75°
Average precipitation0.11 in
Chance of precipitation48%
Record high94° (2021)
Record low70° (1961)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Las Monjitas, PR are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Las Monjitas, PR since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.