Sierra Leone vs Vietnam: Precipitation anomalies

Sierra Leone
425.21 millimeters
in 2025
Vietnam
350.35 millimeters
in 2025
Sierra Leone rank
7th
Vietnam rank
9th

Precipitation anomalies over time

  • Sierra Leone
  • Vietnam
-500-2500250500750194019822025

How they compare

Sierra Leone currently reports 425.21 millimeters against 350.35 millimeters in Vietnam, a difference of 74.86 millimeters.

That makes Sierra Leone's figure about 1.2 times Vietnam's.

The two have swapped places 33 times across 86 shared years of data; in 1940 it was Vietnam ahead.

Sierra Leone ranks 7th and Vietnam ranks 9th of 192 countries.

Across the 9 decades both report, Sierra Leone averaged higher in 7 and Vietnam in 2.

Head to head by decade

Decade Sierra Leone Vietnam Difference Ahead
1940s -130.25 millimeters -136.79 millimeters 6.54 millimeters Sierra Leone
1950s 265.08 millimeters -186.08 millimeters 451.17 millimeters Sierra Leone
1960s 134.88 millimeters -123.92 millimeters 258.8 millimeters Sierra Leone
1970s 152.17 millimeters 123.24 millimeters 28.93 millimeters Sierra Leone
1980s 97.62 millimeters 103.96 millimeters 6.33 millimeters Vietnam
1990s -49.11 millimeters 14.54 millimeters 63.66 millimeters Vietnam
2000s -5.32 millimeters -44.08 millimeters 38.76 millimeters Sierra Leone
2010s 43.24 millimeters 32.64 millimeters 10.6 millimeters Sierra Leone
2020s 168.26 millimeters 132.98 millimeters 35.28 millimeters Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher precipitation anomalies, Sierra Leone or Vietnam?
Sierra Leone, at 425.21 millimeters against 350.35 millimeters in Vietnam as of 2025.
What is the difference in precipitation anomalies between Sierra Leone and Vietnam?
74.86 millimeters, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Vietnam?
86 years are reported by both, from 1940 to 2025.
How do Sierra Leone and Vietnam rank globally for precipitation anomalies?
Sierra Leone ranks 7th and Vietnam ranks 9th of 192 countries.
Where does this data come from?
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Precipitation anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Precipitation anomalies
Unit
millimeters
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
192 places, 16,512 data points, 1940–2025
Last refreshed

The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.